Css Transition On Scroll

Good luck!. CSS3 Parallax scrolling slider Haven't you noticed that there have been appeared a lot of websites with the effect of parallax effect? This is optical effect (displacement or difference in the apparent position of an object viewed along two different lines of sight). Learn how to add flare to your one pager with the Parallax Scrolling Master Class. The key is to use a Javascript to register the scroll then you can either use Javascript to make it fade in and out, or if you are like me and prefer CSS options as much as possible, you can do like I did and add/remove classes as needed. Home → jQuery/JavaScript → Animated Header Fixed on Scroll Down down when you scroll. js is a JavaScript library that will make your content look like a real book or magazine using all the advantages of HTML5. Something we all craved. If you look at the. A couple of options not in the spec by the CSS working group helps customize scrolling to your needs. The CSS transitions are a great way to replace with CSS animations that provide smooth animation on page load slower devices and computer systems assuming you’re owning a browser that’s relatively recent. js at the end of your file and animations. The CSS3 transition feature allows the changes in CSS property values to occur smoothly over a specified duration. Using it alone or with the Blocks Pack and its storefront feature you can easily set up your store and with the unique web design software editing approach describing your products and arranging them will be as easy as putting them on your real store shelves. A tutorial on how to create a 100% width and height smooth scrolling layout with CSS only. A well-integrated effect in the story of the site. The essence is that you define normal styles and special styles that should be applied after, for instance, a click, and that you then command the browser to use a transition for the style changes. Scrolling Box. To define a class with a CSS3 Transition, first set the transition property and the initial element state at the setup class. CSS defines a mechanism by which changes in CSS property values can be made to take effect gradually, instead of all at once. In this tutorial we'll create a header, as the menu bar shown on the top, that sticks to the top of the viewport. On the formal side, you have transitions. They're great for keeping the user's interest as new content loads in, while also maintaining a minimal impact on performance. Normally when the value of a CSS property changes, the rendered result is instantly updated. transition-timing-function Determines how intermediate values of the transition are calculated. In this tutorial I would like to share on how I create block reveal effects on scroll. Super easy slider/page transitions. Smooth Scrolling Note: This example does not work in Internet Explorer, Edge or Safari (for a "cross-browser" solution, see example below). The CSS transitions are a great way to replace with CSS animations that provide smooth animation on page load slower devices and computer systems assuming you're owning a browser that's relatively recent. Based on CSS3 and radio & label hacks. - Opções ->. Read the Documentation. The most important feature showcased in this example is the possibility to specify different image sources for different slider sizes. In today’s tutorial, I’m going to show you how to create a Responsive, Fixed and Resizing Header. Sullivan , a multi-disciplinary brand engagement firm, approached the parallax scroll effect in presenting their latest work. You can use css3 transition to achieve this effect. What’s the difference you ask? Well, you won’t see a great difference on a single image. Easily apply to your own elements, modify or just use for inspiration. This modal is designed to work on all modern browsers. Tooplate is a great website to get many free HTML templates including admin HTML pages, form pack, personal portfolio, business templates, etc. True by default. In the CSS, you only: add styles for the attribute aos with the name of your animation; set the transition-property (by default this is all, so it's more performant and more predictable if you narrow the transition to the intended properties) add the post-transition properties on. Normally when the value of a CSS property changes, the rendered result is instantly updated. When an element wrapped in a transition component is inserted or removed, this is what happens: Vue will automatically sniff whether the target element has CSS transitions or animations applied. Dropdown Menu. We made a sample page so you can get an idea of what we are talking about. Visit JavaScript Image Slider for more information. All you need to do is add the stylesheet to your website and apply the premade CSS classes to the elements you want animated. No additional css file. For example, let's say you have something like the following:. Overlapping elements. You should avoid using transitions. Both have the same effect - hitting the target. Star Wars opening crawl, using only HTML & CSS. basicScroll allows you to change CSS variables depending on the scroll position. css --- */. As you can see, there are quite a few possibilities when it comes to using CSS3 to create a simple fade effect. Using CSS transition effects allows you to add different types of animation to your web pages. The main purpose of transitions is to create a natural demonstration that something has changed. Transforms are used to make an element change from one state to another. Circle Hover effects with css Transitions Author utilizes border radius property to create very interesting hover effects on circles with CSS transitions and 3D rotations. The easiest way to give a container a horizonatal scrollbar, is to give the outer container overflow:auto and the inner container a larger width than it's parent. CSS transitions allows you to change property values smoothly (from one value to another), over a given duration. There's a recurring trend of using animated page elements in web design at the moment — as you scroll down the page, items will naturally animate into view. Transit degrades older browsers by simply not doing the transformations (rotate, scale, etc) while still doing standard CSS (opacity, marginLeft, etc) without any animation. js a breeze. Use JavaScript again to add a new CSS class to the header element. To use the Bootstrap carousel slider below is setting to change slider time interval (transition speed of slider images). After that, if you want to make the transition more gradual, use jQuery and LocalScroll together. This will be of particular use for sites that specialize in showing images, or for commerce sites that use thumbnail images of products and want the functionality of enlarging the images. Range: 0 to 1. Circle Hover effects with css Transitions Author utilizes border radius property to create very interesting hover effects on circles with CSS transitions and 3D rotations. I also need the image to transform to. In short, Velocity is the best of jQuery, jQuery UI, and CSS transitions combined. Information. If any of these special elements are visible, we can give them a special class and use CSS to animate or transition them into view. txtDate: 07-06-2018 Version: 1. For example, you should avoid changing a class on wrapper elements to affect the display of child nodes. Step 1 - Install React CSS Transitions Group. transition-timing-function Determines how intermediate values of the transition are calculated. Drop Caps in CSS Using first-letter & initial-letter. The only required parameter is a plain object of CSS properties. Receive money and sell your products with this handy Extension. Our Carousel is a robust and versatile component that can be an image slider, to an item carousel, to an onboarding experience. Due to a number of requests, I'm writing a detail tutorial on how to create an animated scroll to top as seen on Web Designer Wall. Now the really interesting part is the CSS, because most people will tell you that for moving elements around, fading them in and out ect. CSS animation is a method of animating certain HTML elements without having to use processor and memory-hungry JavaScript or Flash. ng-anchor CSS class and then ngAnimate will handle the entire transition for us as well as the addition and removal of any changes of CSS classes between the elements:. I didn’t want to miss out on the fun, so I have put together a parallax scrolling demo built using jQuery and CSS. Kid: Kabhi naam nahi puchha,. By default, transitions can be disabled (set to "none") when the window width is greater than a certain pixel width. Transitions can use any kind of visual effects and motion techniques like fade, slide, fold, scale, or mask transitions. It seems as though every website you visit has some cool effect happening when you're scrolling down the page or hovering your mouse over the logo. Using a different background Image (with CSS parallax) for each section will change up the feel of the design as you scroll. When the scroll position of the window is greater than 1—meaning that the user has scrolled downwards—then we want to add the class 'sticky' to the header ; otherwise we. “E haverão dias mais longos e mais frios do que outros. The effect consists of solid colored block decreasing in size and revealing text or an image. That is all for today. Unfortunately this does not include Internet Explorer 7 or lower. This scroll position breakpoint is configurable via the new getMaxScrollForTransition function. We have animations, transitions, calc() and much more flexible values like em, rem, vw, vh and more. I originally coded this in SASS, so I’ll include both the SASS and compiled CSS below: SASS. 2+, Chrome, Firefox 4+, Opera 10. CSS transitions are the best way of handling the animation portion of our sticky header. The image slider shown in this demo is for free (including commercial). A related issue is the cascading part of CSS. Most would rather click and go from page to page, but scrollbars are part of the Web and differing screen sizes make it nil to impossible to never attain a scroll bar. That means you can Grow an Image or Shrink and Image on mouse hover can be created using CSS3 scaling transformation. The animation transitions will be accomplished using CSS3 while scrolling is detected using jQuery. CSS button generator – create styles for HTML buttons with this panel. You can use Vuetify's transition helper function to easily create your own custom transitions. Simon Codrington explains how to use jQuery and CSS3 to add scroll-based animations to your site and thereby offer your users a more engaging experience. From foundational elements such as clearfix to gradient text color and gradient cursor tracking to CSS easing and far beyond. CSS Animation Framework. Set the size. You will need to use JS, but without a library like jQuery, implementing smooth scroll might be non-trivial. In the CSS, add styles for this new class to shrink the header height. 2+, Chrome, Firefox 4+, Opera 10. CSS-only Responsive Layout with Smooth Transition. js works by adding and removing CSS classes in reaction to the user's scroll. If the scroll bar is at the very top, or if the element is not scrollable, this number will be 0. Using a radio button navigation and sibling combinators we will trigger transitions to the respective content panels, creating a “smooth scrolling” effect. Special effects such as smooth scrolling, page transitions or CSS animations can add some welcome personality to your WordPress website. The proposal does not yet define CSS markup or programming interfaces to express this use case. viewing-page-X class to. Overlapping elements. These animations only happen one time, and they only begin once the element is within the browser viewport. From our monthly sponsor: Automate manual QA and catch visual bugs with Percy’s all-in-one visual testing and review platform. The following snippet will watch for clicks on any link that points to an anchor and smoothly scroll down to it:. In the tutorial, he uses simple javascript and an other little js script that allows him to add / remove CSS classes from HTML elements. If not specified, the documentElement is used. The most basic CSS for this would be:. CSS-only Responsive Layout with Smooth Transition. A lower number means a more shallow perspective, with more extreme angles. The scroll-behavior property in CSS allows us to define whether the scroll location of the browser jumps to a new location or animates the transition when a user clicks a link that targets an anchored position within a scrolling box. Note announcement and comments as well as the complementary HTML elements index. The examples on this page will work now in Firefox, Safari, Chrome, Opera and Internet Explorer 10. But something was missing. If you find this lesson useful, we have many more exercises that are sure to please you. When scope is not specified, it is assumed that all targets are children of this element. One for a solid background colour and one for a gradient. Some transitions however, like height and width transitions can be tricky to handle with pure CSS code due to container sizing issues. Available in CSS, Sass, and LESS. The proposal does not yet define CSS markup or programming interfaces to express this use case. title> document. Using a different background Image (with CSS parallax) for each section will change up the feel of the design as you scroll. They load quickly and are supported by most modern web browsers. react-transition-group. All you need to do is add the stylesheet to your website and apply the premade CSS classes to the elements you want animated. Features include:. Scroll to the selected anchor. For example, you should avoid changing a class on wrapper elements to affect the display of child nodes. This page uses CSS animations for creating scrolling text. Object oriented css always attempts to attach classes to the object (DOM node or nodes) they affect, but in this case it has the added performance benefit of minimizing the impact of reflows. But something was missing. The key is to use a Javascript to register the scroll then you can either use Javascript to make it fade in and out, or if you are like me and prefer CSS options as much as possible, you can do like I did and add/remove classes as needed. We're going to be using CSS3 transitions to make the menus slide down gently, and the background colors fade softly in and out. CSS Transition Visibility. Here are some free WordPress plugins you can use to add a variety. In the CSS for the default header, add a CSS transition so the height changes with an animated effect. For example, if you want the fade animation, set opacity to 0 at the setup class, and opacity to 1 at the active, like in this sample:. Using CSS transition is a good method for pages with fixed position elements (i. Pages Other Community ̸ҳ /̵͇̿̿/'̿̿ ̿ ̿ ̿( بحبك ) ̿ ̿̿ ̿. The scrolling container. The parallax effect results from the different target positions. Highlighted features: conditional images, image thumbnails, fade effect, auto-scale layers, responsiveness, touch-enabled. CSS transitions allows you to change property values smoothly (from one value to another), over a given duration. Using a radio button navigation and sibling combinators we will trigger transitions to the respective content panels, creating a "smooth scrolling" effect. Teacher: What is your mother’s name?. Demo Image: Easy CSS Page/Slide Transitions Easy CSS Page/Slide Transitions. Scroll-linked animations 2. The purpose behind introducing this language would be to present the different aspects and content of web page in presentable and sequence order. We have animations, transitions, calc() and much more flexible values like em, rem, vw, vh and more. The site was built and is maintained by Alexis Deveria, with occasional updates provided by the web development community. 2+, Chrome, Firefox 4+, Opera 10. For example, if we wanted the page to go semi-transparent while the page is scrolling, we could achieve this by adding the following CSS rules:. php documents from your Chapter folder for Chapter 12 to your Projects folder for Chapter 12. CSS Gradient Animator. box { transition: 1. In short, Velocity is the best of jQuery, jQuery UI, and CSS transitions combined. Attendees receive an exercise book, walking you through the steps of building this responsive, animated webpage. From our monthly sponsor: Automate manual QA and catch visual bugs with Percy’s all-in-one visual testing and review platform. It seems as though every website you visit has some cool effect happening when you’re scrolling down the page or hovering your mouse over the logo. - fricca/smooth-scroll-to-top-with-transition. This modal is designed to work on all modern browsers. Easing functions specify the rate of change of a parameter over time. In this hands-on course—the first installment in an ongoing series—Christina Truong demonstrates the concepts that form the foundation of CSS, and explains how to use this language to add colors and other design elements to take your webpages beyond just black text on a white background. We provide free tutorials, examples and CSS codes for web developers. js is the best fit for a magazine, book or catalog based in HTML5. It seems as though every website you visit has some cool effect happening when you're scrolling down the page or hovering your mouse over the logo. These kinds of optimizations can increase the responsiveness of a page by doing potentially expensive work before they are actually required. Made by Felix Nielsen May 23, 2016. I ran across only one of these CSS commands while surfing my University's Web site. Choosing the right transition between pages can enhance visual impact in digital storytelling. delighter class */. A great example of this is the parallax effect which is currently in vogue. Smooth Scrolling Note: This example does not work in Internet Explorer, Edge or Safari (for a "cross-browser" solution, see example below). This adds a storytelling element to the page with items progressing as users scroll down. Once you have done that you can just define "animatedParent" as the parent class which is what will trigger the child class "animated" to animate whichever animation is defined, here we are using "bounceInDown". Using a radio button navigation and sibling combinators we will trigger transitions to the respective content panels, creating a "smooth scrolling" effect. The main benefit being that CSS animations are being included in the CSS specifications (as from CSS3) and will therefore be standards-compliant (unlike the HTML marquee element, which is non-standard). Visit JavaScript Image Slider for more information. You can take things a bit further and animate scrolling for all anchors on your page. I believe this was also featured on smashing magazine back in 2012. Right now, you have to click on the W icon, then About WordPress, then the Credits tab, and then scroll down to the bottom of that page to see a micro link in the footer: Want to see your name in lights on this page? Get involved in WordPress. Scroll-triggered style changes. All the instructions are written out, so you can easily start coding what you've learned right away!. Now here in this tutorial, I’ll explain the fadeIn and fadeOut like effects by using CSS3 transition and shows you how to control and do smooth transitions to show/hide HTML Elements. It is very simple to do with jQuery (just a few lines of code). Create an HTML page with a simple element in it so that you can apply the CSS3 scale. Video: Peekaboo Box Tutorial Scroll Bottom CSS Transition Animation. This combination allows a more even split of code, and one day we might even be able to port this over to a pure CSS effect. Something we all craved. js at the end of your file and animations. Kid: Kabhi naam nahi puchha,. For example, you could hide the header on scroll down, and reveal it again on scroll up. If you find this lesson useful, we have many more exercises that are sure to please you. Now the really interesting part is the CSS, because most people will tell you that for moving elements around, fading them in and out ect. This smoothing animates the changing of a CSS value when triggered by a mouse click, focus or active state, or any changes to the element (including even a change on the element's class attribute). CSS marquees are replacing HTML marquees as the standard method for creating scrolling, bouncing, or slide-in text and images. The only required parameter is a plain object of CSS properties. “Infinite” Scroll to Load More Content Pagination with jQuery jQuery 3D Parallax Scroll Effect CSS Delete Button: Making a Shredding Machine with CSS3 The Definitive Guide to CSS Animations and Transitions. Apply the styles you wish and make your elements move, shrink, grow, rotate, fade and more, in 2D and 3D space!. Now, when you begin to scroll, the rest of the page content appears *just* after the bottom of the page viewport. - Opções ->. AOS - Animate On Scroll library using CSS3. table { background. We'll cover the basics of CSS transforms and transitions, then get into depth with CSS keyframe animations. There will be cases when you need to display side content (a notification, a user profile information), and this content doesn't fit into a tooltip. - fricca/smooth-scroll-to-top-with-transition. Transitions. We have just created a cool CSS3-based scrolling slider with the Parallax effect. And now for another kick in the teeth. You can use css3 transition to achieve this effect. Use this scale in and out elements. Às vezes, as coisas que você mais quer, não acontecem. Dropdown Menu is a very nice navigation menu made using the CSS3 transition property. Overlay image floats on scroll staying always visible. Within the CMS of my website I'm trying to code a link that smoothly scolls the visitor to a point lower on the page. Master Slider jQuery slider plugin is a premium image and content slider with super smooth hardware accelerated transitions. CSS defines a mechanism by which changes in CSS property values can be made to take effect gradually, instead of all at once. Tutorial Demo; CSS Only Responsive Layout with Smooth Transitions Create a 100% width and height smooth scrolling layout with CSS only. Seems like a user would intuitively want to do this, given the animated page transition!. by Child in School. developerWorks blogs allow community members to share thoughts and expertise on topics that matter to them, and engage in conversations with each other. 1+, IE 11+, Opera 12. There are many cool ways to display your social media icons on your website. How to Create CSS Transition Slide Down & Slide up Effect. When used together, these properties allow you to create simple animations and add valuable interaction and visual feedback for your users. CSS marquees are replacing HTML marquees as the standard method for creating scrolling, bouncing, or slide-in text and images. Using the transition property of CSS3 we can make boxes, images etc. slick is a responsive carousel jQuery plugin that supports multiple breakpoints, CSS3 transitions, touch events/swiping & much more! slick the last carousel you'll ever need. As you can see, there are quite a few possibilities when it comes to using CSS3 to create a simple fade effect. css() method, except that the range of properties is more restrictive. Generally speaking the rule of thumb is, that you should do all your color correction in Log space and the majority of your image transformations in linear space. pin an element starting at a specific scroll position – either indefinitely or for a limited amount of scroll progress (sticky elements). Specification CSS Scroll Anchoring 1: css-transitions; CSS Transitions 1 (Current Work). Scroll Angle. Normally when the value of a CSS property changes, the rendered result is instantly updated. If you find this lesson useful, we have many more exercises that are sure to please you. I have it working, and with a nice jquery scroll transition. Mouse over to begin animation. Adding page transition effects to the mix can help to kick things up a notch. targets: An optional list of elements or a css selector. The terms intermediate and transition state both describe chemical species along the reaction pathway, but there are important distinctions between the two. Those are not included in the wrapper, but will transition in sync with it. CSS Snippets. CSS is used for style and designing from the internet pages. So, like in the initial example, we are starting with an underline that is technically there (but not visible) and using CSS transitions to grow it. Alice was beginning to get very tired of sitting by her sister on the bank, and of having nothing to do: once or twice she had peeped into the book her sister was reading, but it had no pictures or conversations in it, «and what is the use of a book,» thought Alice «without pictures or conversation?». CSS3 allows you to add transitions to different CSS properties on any HTML element. This is similar to the style encapsulation found in Shadow DOM. Paul McCartney fan page #footer_links. I add a wrapper and add a the following CSS rules:. Seems like a user would intuitively want to do this, given the animated page transition!. The vertical scroll position is the same as the number of pixels that are hidden from view above the scrollable area. These amazing jQuery and CSS3 page transitions effects tutorials will help you in improving the pages by applying beautiful transition effects. Dropdown Menu. Build amazing cross platform mobile, web, and desktop apps all with one shared code base and open web standards. Once you have done that you can just define "animatedParent" as the parent class which is what will trigger the child class "animated" to animate whichever animation is defined, here we are using "bounceInDown". Scrollable picture-story show. This post will introduce you to CSS transitions and CSS transforms: the CSS power couple. One for a solid background colour and one for a gradient. No additional css file. Browsers may set up optimizations before an element is actually changed. He did a great job on replicating the one page scrolling effect used on the new Apple iPhone 5S/5C websites. It is touch enabled making it especially smooth to use on mobile. css --- */. This CSS usage data comes from a Bing-powered scan of 2,726,655 pages. To see the effects of rotation, click the small image. This Plugin has multiple Animation and css3 transition Effect. expanded) [data. This function will return an object that you can import into Vue. Make sure to add the base transition class scale-transition. In this tutorial I would like to share on how I create block reveal effects on scroll. Here are some free WordPress plugins you can use to add a variety. Available in CSS, Sass, and LESS. Transforms are used to make an element change from one state to another. Note announcement and comments as well as the complementary HTML elements index. AOS - Animate On Scroll library using CSS3. This is an image gallery with a rotating build with CSS transform transitions and CSS features. Scrollable picture-story show. The techniques used are mainly CSS3 transitions combined with CSS :hover pseudo-class. Avoid scrolling unwanted parent elements by using the boundary: Element option. Use it as a complete kit or use it to start something more complex. This is React add-on used for creating basic CSS transitions and animations. 中国信息技术服务标准云教育?#25945;?/title> #html5zoo-1 { width: 100%. Using CSS3. The scroll-behavior CSS property sets the behavior for a scrolling box when scrolling is triggered by the navigation or CSSOM scrolling APIs. Use them to call attention to important information, enhance UX and take your designs up a notch. Scrolling down - header becomes sticky when its top sentinel crosses the top of the container. ng-anchor CSS class and then ngAnimate will handle the entire transition for us as well as the addition and removal of any changes of CSS classes between the elements:. Use JavaScript to detect when the user has scrolled a certain distance down the page. We have animations, transitions, calc() and much more flexible values like em, rem, vw, vh and more. When the scroll position of the window is greater than 1—meaning that the user has scrolled downwards—then we want to add the class 'sticky' to the header ; otherwise we. Design interactions and animations for your responsive website visually instead of writing code using Webflow. With that in mind, here are 10 examples of page transitions that can add a little something special to your next project:. Vue Router is the official router for Vue. 1+, IE 11+, Opera 12. While everyone is using CSS3 animations in mobile these days, many are not doing it properly. Using a radio button navigation and sibling combinators we will trigger transitions to the respective content panels, creating a "smooth scrolling" effect. js a breeze. Instead, the CSS part seems easy enough to address. Visual JavaScript SlideShow & Website Maker is a free software that helps you easily generate delicious slideshow websites with gorgeous transition effects, in a few clicks without writing a single line of code. You can also add an image to the overlay. When used together, these properties allow you to create simple animations and add valuable interaction and visual feedback for your users. HTML, CSS Code Snippets for scroll animation Auto vertical scrolling 3 testimonial cards with one active and 2 inactive cards This is a nice testimonial or quote block what can be used on your website. I add a wrapper and add a the following CSS rules:. Bootstrap Transition example snippets with CSS, Javascript and HTML code. Supports Youtube, Vimeo, HTML video and audio. The cross fade transition of images lets you bring a faded picture in and superimposes with the present image. While everyone is using CSS3 animations in mobile these days, many are not doing it properly. The main benefit being that CSS animations are being included in the CSS specifications (as from CSS3) and will therefore be standards-compliant (unlike the HTML marquee element, which is non-standard). By default, this is [data-scroll] threshold: The ratio of the element that must be visible before it is marked as visible. All the instructions are written out, so you can easily start coding what you've learned right away!. In this video, we show how to trigger CSS animations on scroll. Circle Hover effects with css Transitions Author utilizes border radius property to create very interesting hover effects on circles with CSS transitions and 3D rotations. Any insight on this transition would be greatly appreciated. Ionic is the app development platform for web developers. Using Scroll Transitions Scroll Transitions make it possible to animate the CSS properties of objects based on the position of the scrollbar. Due to a number of requests, I’m writing a detail tutorial on how to create an animated scroll to top as seen on Web Designer Wall. It was popularized by the Facebook app a few years back, and has since made it into the standard toolbox of almost every web designer out there. CSS3 - Tutorial - Cascading Style Sheets (CSS) is a style sheet language used for describing the look and formatting of a document written in a markup language. With that in mind, here are 10 examples of page transitions that can add a little something special to your next project:. jQuery caption hover effects have been on the Web for a long time. The new flexbox layout mode is poised to redefine how we do layouts in CSS. Using css transition on opacity alone to fade out an element leads to the problem that links on the faded element stay active while links on elements covered by the faded element do not work. Some transitions however, like height and width transitions can be tricky to handle with pure CSS code due to container sizing issues. All the instructions are written out, so you can easily start coding what you've learned right away!. Once you have done that you can just define "animatedParent" as the parent class which is what will trigger the child class "animated" to animate whichever animation is defined, here we are using "bounceInDown". This object is similar to the one that can be sent to the. See the Pen CSS Arrows by KitReal on CodePen. home » code » photo galleries » css horizontal scroller. The inert attribute would allow web authors to mark parts of the DOM tree as inert: When a node is inert, then the user agent must act as if the node was absent for the purposes of targeting user interaction events, may ignore the node for the purposes of text search user interfaces (commonly known as "find in page"), and may prevent the user from selecting text in that node. Interesting animations can be created with CSS3 by using transforms and transitions. What’s the difference you ask? Well, you won’t see a great difference on a single image. 2nd, if you are setting a height that could be shorter than the content you are forced to set overflow: auto; and then get some wobble.