Slide In On Scroll Codepen

Skip to content. When scrolling, the content has to slide behind the header bar, so the header bar gets a drop shadow to show that it is closer to the viewer than the content which is sliding underneath. by Michael Henderson. ” and see other Shopper Marketing Clip Service reporting immediately below. Skills Required:. It is touch enabled making it especially smooth to use on mobile. Scroll to the bottom of the article to see a demo. PhotoSwipe keeps only 3 of them in the DOM to save memory. If you are having trouble with the pen, try the archived copy on GitHub. Parallax scrolling, an effect that allows sections of a website to scroll at different speeds, is an effect that has gone through various stages of popularity over the last few years. The main purpose of this article is to create and explain how to create a simple Animated Image Slide Show for windows applications using C#. The anchor tag aspect works, but just no smooth scroll. Fade in the black ‘#fullscreen-swiper-backdrop’. For the photo banner section, give it a height of 233px and a width of 3550px. These stand out on their own and you can use them to blend into practically any website. Now just add the appropriate CSS too items you want to animate on scroll. Parallax is a 3d effect used in various websites to make webpages attractive. Fullscreen Video Modal Boxes Timeline Scroll Indicator Progress Bars Skill Bar Range Sliders Tooltips Popups Collapsible Calendar HTML Includes To Do List Loaders Star Rating User Rating Overlay Effect Contact Chips Cards Flip Card Profile Card Product Card Alerts Callout Notes Labels Circles Style HR Coupon List Group Responsive Text Cutout. However, transitions can also be used elsewhere where elements change from one style to another (e. The timeout option defines the time in milliseconds between each slide. PhotoSwipe keeps only 3 of them in the DOM to save memory. php(143) : runtime-created function(1) : eval()'d code(156) : runtime-created function(1. #frame1 ) or use special names like #slider. Based on AngularJS the set of available features is tremendous. Scroll to Top buttons allow your website visitors to easily scroll back to the top of your page with one click of the button. For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug. Slider like Yahoo Weather App - index. A ton of CSS, jQuery, and JavaScript responsive navigation examples, demos, and tutorials from all over the web. Check out how to add animations to your static designs using Adobe XD and Codepen. Load jQuery and include Owl Carousel plugin files. Since Swiper slides are zero-indexed, we subtract 1 from the id passed to the function (slide 1 = index 0, slide 2 = index 1, etc. Topic: JavaScript / jQuery Prev|Next. See the Pen Gooey Scroll Arrow by flik185 on CodePen. HTML JS See in Codepen. When I redesigned this website in November 2014, I had a design aesthetic in mind for the main navigation: a "hamburger" menu icon in the top right corner exposing a list of links on the right side on click or tap, effectively sliding the page out of the way. Codepen Js Loader. KenBurns, Slide, Fade, Zoom effects and some flat skins are available (more coming soon). In the second card, the hover me layer slides down while the share icons slide up. Hi Paul, I don't understand the Codepen (I looked at it at full screen width). Fade and scroll items into view while scrolling can use it to detect the position of elements on our page and set up a simple JavaScript function to have them fade and slide into view as the. Jssor jQuery slider plugin and No-jQuery version slider work almost the same, both are for image slider carousel, content slider carousel. 10 May 2019 React drag and drop framework with inbuilt virtualizing scrollbars. Scroll down to the text box labeled "Add code to the. Ionic is the app platform for web developers. What would it take to "flip" the slides manually?. Looking to add some animation to your static designs? We've got you covered. This effect is a great visual but an easy method to implement with the help. CSS Arrows. Dylan’s Candy Bar Hooks Up With Target for V-Day. PhotoSwipe keeps only 3 of them in the DOM to save memory. See the Pen Sharing Button Effects by Dronca Raul ( @rauldronca ) on CodePen. It includes four background options, three page templates, custom widgets and social media icons. It uses the checkbox for active slide and the label element for next/prev arrows navigation. selectedAttraction attracts the position of the slider to the selected cell. 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. This is a somewhat biased look at new things in CSS - biased in terms of these being things that mostly have some implementation. The 'slides' option sets the elements that should become slides. How To Use 1. Who exactly doesn't love sliding pics plus amazing cool titles and text message detailing just what they represent, better carrying the information or else why not indeed preferable-- additionally providing a number of buttons as well talking to the website visitor to have some action at the very start of the webpage ever since all of these are commonly. The page slides to reveal a clean, simple navigation. PhotoSwipe keeps only 3 of them in the DOM to save memory. In this post I'll be using transitions in conjunction with transforms. When scrolling, the content has to slide behind the header bar, so the header bar gets a drop shadow to show that it is closer to the viewer than the content which is sliding underneath. Free hand-picked HTML and CSS code examples, tutorials and articles. If it slides in too fast, many users might miss the slide-in effect altogether. This will all be done using CSS3 so this will work on all modern browsers except of course IE7, Ie8 and 9. (@fornyhucker) on CodePen. Skills Required:. See the Pen MppBYa by Ben Frain on CodePen. PhotoSwipe keeps only 3 of them in the DOM to save memory. See the Pen Navbar Slide Up/Down on Scroll Example by BJ Cantlupe on CodePen. The slideshow also comes with a crossfade transition effect based on CSS3. Contribute to janetmndz/javascript-30 development by creating an account on GitHub. 5) skew(x, y) Shears the element: skew(10deg, -10deg). Slide Left/Slide Right. … DIVI - Change the Logo between the Primary to Fixed Navigation - "Logo Swap" - […] Change The Logo When Scrolling Down […] How to Create a Logo Swap Effect in Divi - JoshHall. How To Use 1. Bug tracker Roadmap (vote for features) About Docs Service status. when i read "How to make parallax scrolling website responsive" i understood this would be a description of how to make parallax scrolling stuff work on mobile devices - which, if youre honest, is not quite a far interpretation. click() method is replaced with. The rest of Remy's tutorial is all about enhancing that basic functionality by adding controls, smooth scrolling and more bells and whistles. plugin to create a scrolling pile of sections for your website (test out the exemples! js Create an original scrolling site js - Create a stack of scrolling webpages or slides that can be clicked, scrolled, or tapped through. 20 Cool Pure CSS sliders without jQuery/Javascript in Internet by Prabhu Balakrishnan on December 9, 2015 6 Comments I absolutely love image or text sliders written using pure css code. See the Pen Sharing Button Effects by Dronca Raul ( @rauldronca ) on CodePen. If a mouse user clicks on the nav and drags it, I want it to behave in the same way it would with touch and drag. I hope this tutorial helped you learn not only how these animations are done, but also understanding what is exactly happening to make this animation work. In this article I put together some of the best CSS & JS sliders that CodePen has to offer. Real-World Lightning Effect. So this is very nice from that regard. (@fornyhucker) on CodePen. Easy to use. Medium Pizza & 15 Bonesless Wings Only $15. Animated refresh icon using a CSS arrow and transitions. See the Pen CSS Only Expanding Menu by Rab Rennie on CodePen. Contact: [email protected] The controls are normal HTML links that reference a specific frame (e. Use "custom HTML" feature as an addition, for example for slide with related galleries, an introductory slide, or advertisements BETWEEN images. Learn to create form that you can show on every page of your website! Yes, these forms are known as sidebar sliding contact form. Person Of The Week. It is responsive, SEO friendly, and lazy-loaded. To create a scrollable chart using KoolChart's JavaScript charting library, a element must be set within a element or a element. Scrolling Nav is a one page Bootstrap template with smooth scrolling animations and a collapsing fixed top navigation bar. Simple Slideshow The basic slideshow without transition effects. See the Pen Particles by Elton Kamami (@eltonkamami) on CodePen. Jssor jQuery slider plugin and No-jQuery version slider work almost the same, both are for image slider carousel, content slider carousel. com's Navbar. 10 May 2019 React drag and drop framework with inbuilt virtualizing scrollbars. As I planned to re-design my personal website, my first goal was to write the shortest and simplest code to achieve. Without this the button will just pop instead of slide. js is designed to be easy to use and customize. This gives your website better navigation and also adds a more professional look to your current layout. In these cases a panel that slides in from the side can be a good UX solution. Just download PPTX and open the theme in Google Slides. I've got it working on desktop but when I run it on Mobile Safari it begins in the end position and then as you scroll down it jumps 150px down and starts the animation. In addition to many other plugins scroll that was written for jQuery Smooth Div Scroll does not limit the scrolling stages. The page slides to reveal a clean, simple navigation. (@fornyhucker) on CodePen. Now on slide 1 & 2, set the Next button to jump to Slide 3 (Since these are both the first slide they should only have a Next button). This sample demonstrates how to disable scroll zooming on a MapView instance. Slide In Images Snippet. Based in Mexico City, Pablo Stanley (@pablostanley) is a lead designer for InVision Studio Platform and co-founder of the tech-enabled healthcare provider Carbon Health. The framework simplifies creating HTML Overlay Filters. If you have any doubt or question comment down below. Circle Animation Css Codepen. Slide in from bottom boxes by Chris Coyier (@chriscoyier) on CodePen. See the Pen With and Without Transition by Rachel Cope (@rachelcope) on CodePen. This page contains examples of CSS slide-in text. See the Pen Gooey Scroll Arrow by flik185 on CodePen. codepen See the Pen Scroll to top button in React JS by Qbrid (@Qbrid) on CodePen. Contact: [email protected] Slideshow and caption slide animation are all available for both version. Google implements this effect with a Javascript function that fires on the onscroll event and sets a class on the body that can then be used in CSS. I've recreated this functionality in CodePen to walk through how this was so that the Title and the Image Slide Wrapper are. The power of HTML5 Canvas and JavaScript are in full force here, producing an animation of real-world lightning effect. No-jQuery version is slider carousel without jQuery. The menu options slide all the way to the right to take advantage of the screen real estate at hand. Agak mirip² dengan trick sticky content! Sesuatu yang tersembunyi akan terlihat jika dilakukan scrolling ke bawah or atas. CSS Scroll Snap is a module of CSS that introduces scroll snap positions, which enforce the scroll positions that a scroll container's scrollport may end at after a scrolling operation has completed. AOS - Animate On Scroll library using CSS3. These stand out on their own and you can use them to blend into practically any website. I've recreated this functionality in CodePen to walk through how this was so that the Title and the Image Slide Wrapper are. The main purpose of this article is to create and explain how to create a simple Animated Image Slide Show for windows applications using C#. Vote e escreva um comentário Cancelar resposta. It hides the WebVfx interface and enables you to use a modern browser (. Once you’ve added your url to the generator, click the “Generate” button. The bottom sheet is a modified v-dialog that slides from the bottom of the screen, similar to a v-bottom-nav. This sample demonstrates how to disable scroll zooming on a MapView instance. In this effect, as we scroll, the background of the webpages moves at different speed than the foreground making it look brilliant to the eyes. For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug. I have a couple of slides which have dynamic content that is added to them. But there is a recent trend of abandoning jQuery because pure vanilla JavaScript DOM manipulation is the new hipster skill (I’m one of those hipsters by the. Scrolling Nav is a one page Bootstrap template with smooth scrolling animations and a collapsing fixed top navigation bar. Similarly, if you slide two fingers across the touchpad, the page showing on the screen should move right or left, but mine do not work when i move it across. See the Pen Particles by Elton Kamami (@eltonkamami) on CodePen. selectedAttraction attracts the position of the slider to the selected cell. CSS scroll snap permits us to make each slide position nicely at the top of the viewport after scroll. js by Sagar Shrestha on CodePen. In these cases a panel that slides in from the side can be a good UX solution. But the trickiest part about CSS animation is learning how it all works. Then the slider script will set the anchor's background with the image specified in the href attribute at the time when the slide is the next slide. Otherwise you'd need to add some logic keeping track of where the slides are in the window when using the scrollbar to determine which slide the scroll actions want to target. It is a decent solution, works great and it's really well supported across the browsers. But what you want to make sure of is that whenever a particular slide is supposed to be visible it has the higher z-index value and whenever it’s not supposed to be the active/visible slide it has the lower value. css then you have to tweak the above line and use an option flag to use a different animation trigger other than 'animated' (see the codepen source since it has that option) All the hard work is now done. Get started by May 31 for 2 months free. HTML preprocessors can make writing HTML more powerful or convenient. When scrolling, the content has to slide behind the header bar, so the header bar gets a drop shadow to show that it is closer to the viewer than the content which is sliding underneath. Container that holds slides. See the Pen With and Without Transition by Rachel Cope (@rachelcope) on CodePen. PhotoSwipe keeps only 3 of them in the DOM to save memory. A lightning talk for the W3C AC Meeting. The sticky menu bar will animate itself after some scrolling. A factor value less than 1 makes the element scroll slower when the user scrolls down the page. In this tutorial we will be using CSS3, which is the most straightforward way. CSS Animation on Scroll in Mobile I'm trying to do an animation on scroll that slides in a div. See the Pen Particles by Elton Kamami (@eltonkamami) on CodePen. Quick navigation option for users adds to user experience. Good karma. !next or #slider. da-slider{overflow:hidden;} if I comment 'overflow:hidden', this problem gets solved but then I am unable to scroll the page. In this tutorial we'll create a header, as the menu bar shown on the top, that sticks to the top of the viewport. What would it take to "flip" the slides manually?. Loading URLs from loaded pages. Run the installer. Here are 11 best Parallax Examples from Codepen. Slide Left/Slide Right. Keyboard, arrows and dots navigation. Basically, in this program when you scroll down the text divide in parts, and on scroll up text rejoin. Depending on how far and how fast you are scrolling and what content is currently visible, you are going to see all sorts of awesomeness in the form of animations where your background color changes, content slides in from all sorts of directions, things fade into view, and so on. Container that holds slides. Scrolling Nav is a one page Bootstrap template with smooth scrolling animations and a collapsing fixed top navigation bar. Android devices by default are easier to scroll on, so you don't need to worry here. Free hand-picked HTML and CSS code examples, tutorials and articles. It hides the WebVfx interface and enables you to use a modern browser (. Pada trick sticky, sesuatu akan berhenti dengan tinggi yg sudah di patok. CodePen Tips and Best Practice. Just like the slide down menu, this menu collapses into a hamburger menu icon and then takes the screen over by sliding from the side and pushing the body of the website over. Learn to create form that you can show on every page of your website! Yes, these forms are known as sidebar sliding contact form. There are basically a few ways to implement a custom scrollbar. Custom scrollbars are getting popular, and you might have come across websites that have unique scrollbars, making the sites feel and look different. If you’d like your banner to appear on all of your pages at the same time, navigate in your WordPress admin to Divi > Theme Options > Integration. But as it's not a native tooltip, it can be styled. If you design the slider such that the panels are in a horizontally scrolling area, the jump links will still work, scrolling that area so that the panel is in view. You may create a new page and link to it, but, when possible, it's wise to avoid a page refresh. See the Pen MppBYa by Ben Frain on CodePen. If you are a beginner, you will also understand the whole program easily. The article demonstrate the following text animations on the canvas. Scroll zooming is enabled by default via the mouse-wheel event of the view. Just like the slide down menu, this menu collapses into a hamburger menu icon and then takes the screen over by sliding from the side and pushing the body of the website over. com's Navbar. Alternate Fixed & Scroll Backgrounds How to create alternate fixed and scroll backgrounds with no javascript, but just the help of the CSS background-attachment property set on Fixed. In these cases a panel that slides in from the side can be a good UX solution. That's it! Try out the result by scrolling up and down in the embedded editor below. Notice: Undefined index: HTTP_REFERER in /home/baeletrica/www/xmk68h/79kz. Don't modify these 3 pswp__item elements, data is added later on. I am using the min js for foundation and jQuery. As you hover over the image, the image slides down to reveal a different part of itself. jQuery plugins. Fade in the black ‘#fullscreen-swiper-backdrop’. Great hack and awesome resource. Click browser Forward, page should smooth scroll to slide 2 Actual results: Using the back/forward buttons does not trigger a scroll in this example Expected results: Page should have smooth scrolled to slides 4 and 2. Touch, responsive, flickable carousels. For the photo banner section, give it a height of 233px and a width of 3550px. FLIPing slides with Vue. Animated refresh icon using a CSS arrow and transitions. If you are having trouble with the pen, try the archived copy on GitHub. What would it take to "flip" the slides manually?. The following snippet will watch for clicks on any link that points to an anchor and smoothly scroll down to it:. You can set different animation methods like fade or transitions from a certain direction. We make awesome premium / free WordPress themes with advanced functionality and awesome support. Added stop and start autoplay methods. da-slider{overflow:hidden;} if I comment 'overflow:hidden', this problem gets solved but then I am unable to scroll the page. Container that holds slides. Hey, It’s Still OK to Use Tables November 1, 2017; 6 Comments Baby Boomerangutuang, one of the Tick’s students. In the CSS window in Codepen, enter this:. Other than the snap points, scroll smoothing, touch support, and :target, I started making HTML and CSS only slides 7 years ago. 10 May 2019 React drag and drop framework with inbuilt virtualizing scrollbars. The Bootstrap carousel is also standards-compliant, as it is basically a Bootstrap version of a CSS marquee. HTML preprocessors can make writing HTML more powerful or convenient. Image: Pure CSS Hamburger Menu Slide In GIF. He was just shouting It’s OK to play with dolls! Consider this post to be the sequel to my 2012 post It’s OK to Use Tables. Then, copy the url and paste it into the code generator I’ve created for converting pens to easy to manage code blocks for Divi’s Code Module. The slide show has a very thin white border that is just enough to help it stand out against the rest of the website. 120+ slides ready to use. Faster scrolling works better on continuous scrolling as opposed to slide-in images. Don't modify these 3 pswp__item elements, data is added later on. The bottom sheet is a modified v-dialog that slides from the bottom of the screen, similar to a v-bottom-nav. Free hand-picked HTML and CSS code examples, tutorials and articles. Bootstrap example of Animated Vertical Bootstrap Carousel on Mouse scroll and Swipe using HTML, Javascript, jQuery, and CSS. addEventListener('wheel', ({ deltaY }) => { console. Unless you are already familiar with the CSS3 Animation module, we. On my last tutorial I went over the process of changing the logo image when scrolling down the page. 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. da-slider{overflow:hidden;} if I comment 'overflow:hidden', this problem gets solved but then I am unable to scroll the page. WebSlides is the easiest way to make HTML presentations. friction slows the movement of slider. In the second card, the hover me layer slides down while the share icons slide up. FixedHeader provides the ability to perform this action with DataTables tables. In this effect, as we scroll, the background of the webpages moves at different speed than the foreground making it look brilliant to the eyes. 20 Cool Pure CSS sliders without jQuery/Javascript in Internet by Prabhu Balakrishnan on December 9, 2015 6 Comments I absolutely love image or text sliders written using pure css code. Pure CSS Slide Up and Slide Down Building Resilient Systems on AWS : Learn how to design and implement a resilient, highly available, fault-tolerant infrastructure on AWS. Touch, responsive, flickable carousels. Container that holds slides. If we translate the navbar by -100px, it will move up and out of the viewport. In internet explorer, along with current slide, I can also see the slides from left and right visible. png with your scroll up button and you can mess with the exact positioning with the values for right and bottom i. Author new modules of content slide up into place. I tried to follow your article on “Sticky header on scroll with jQuery and CSS” and I managed to make it working fine when using just the simple header, but my future website is using the Parallax scrolling at the same time and then the things get a bit complicated. Based in Mexico City, Pablo Stanley (@pablostanley) is a lead designer for InVision Studio Platform and co-founder of the tech-enabled healthcare provider Carbon Health. PhotoSwipe keeps only 3 of them in the DOM to save memory. codepen See the Pen Scroll to top button in React JS by Qbrid (@Qbrid) on CodePen. but also the code on how to implement them. CodePen Quizzes and. !prev which indicate the next or previous frame of the layer slider. The menu options slide all the way to the right to take advantage of the screen real estate at hand. Android devices by default are easier to scroll on, so you don't need to worry here. This can generally be seen as an alternative method to pagination for displaying a large table in a fairly small vertical area, and as such pagination has been disabled here (note that this is not mandatory, it will work just fine with pagination enabled as well!). I just shows a bunch of Testing circles scrolling up. You may have seen many modern websites and premium templates keep the header fixed when you scroll down. The animation happens without any problem but slides from left and right are also visible. The source code is straightforward and intuitive. Person Of The Week. I was using 0 and 2 in the codepen, you are using 900 and 1000, which should be totally fine. Snap points. Drag to scroll. Setting Out. Currently, browser support for CSS scroll snap points is limited to IE10+ and Firefox 39+. See the Pen 3D Cube slider. Everyone has a different approach to development, and there are a few key CodePen features that sometimes. It's the perfect start to a one page Bootstrap website. Smashing Magazine — for web designers and developers. A live demo is available on CodePen. See the Pen Sharing Button Effects by Dronca Raul ( @rauldronca ) on CodePen. One way of demonstrating workflow is to use a "before and after" image comparison, coupled with a slide control. Add a 'no-scroll' class to 'html and body' elements. It uses the checkbox for active slide and the label element for next/prev arrows navigation. This is an easy effect to achieve with some Javascript & CSS magic. For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug. Vintage electric Tracker now on SALE at our ebike shop! The Tracker is a timeless design! Check out all the retro style electric bikes from this brand!. Scroll down to the text box labeled “Add code to the. Small file size, fully themed, simple to implement. See the Pen jquery-practical-exercise-3 by w3resource (@w3resource) on CodePen. Fade In/Fade Out A slideshow using Fade In/Fade Out transition effects. Quick navigation option for users adds to user experience. Let's add parallax with a factor of 1. We actually have covered about it in our previous post which talked about using the -webkit-marquee property, but this time we will take this subject a little further. Google implements this effect with a Javascript function that fires on the onscroll event and sets a class on the body that can then be used in CSS. Cerqueira Eletro-Hidráulica Itaipu Cerqueira Eletro-Hidráulica. Hi, I'm Benoît Boucart, a web designer and (front-end) developer. Torsten McFly 12 August 2014 Had a good play with it and I love the idea not using javascript but pure css transitions to get the desired effect. CodePen is a web-based tool that many designers and developers use to learn new technologies, prototype new ideas, and share their work with the world. See the Pen Simple Pure CSS Arrow Button by melissacabral (@melissacabral) on CodePen. It is touch enabled making it especially smooth to use on mobile. In internet explorer, along with current slide, I can also see the slides from left and right visible. This can generally be seen as an alternative method to pagination for displaying a large table in a fairly small vertical area, and as such pagination has been disabled here (note that this is not mandatory, it will work just fine with pagination enabled as well!). For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug. When you use jsFiddle/Codepen you can skip the Installation section. Contact: [email protected] View demo Download. but is does not have a body (or dom ready) event. Standalone demo for the content slider with previous and next buttons. Campers like to share these projects on the Free Code Camp Forum to receive feedback from other Campers. Since Swiper slides are zero-indexed, we subtract 1 from the id passed to the function (slide 1 = index 0, slide 2 = index 1, etc. Vote e escreva um comentário Cancelar resposta. Here I will go into bit more detail based on the state of accessible efforts I see today. Learn to create form that you can show on every page of your website! Yes, these forms are known as sidebar sliding contact form. You may have seen many modern websites and premium templates keep the header fixed when you scroll down. When I was using libraries at most i was using an xhr client and maybe a couple of animations, no real performance issues it just didnt make sense to distribute a full js framework with it when I was only using such small parts. Pure CSS Slide Up and Slide Down Building Resilient Systems on AWS : Learn how to design and implement a resilient, highly available, fault-tolerant infrastructure on AWS. Notice what happens once you start scrolling through the content. Which means if there’s no vertical scrollbar in browser,. Use "custom HTML" feature as an addition, for example for slide with related galleries, an introductory slide, or advertisements BETWEEN images. Inside callback function this represents slider object that gives access to every internal function and variable. friction slows the movement of slider. Previous: Test if jQuery is loaded. Looking to add some animation to your static designs? We've got you covered. Scroll down to the text box labeled “Add code to the. The animation happens without any problem but slides from left and right are also visible. The slider is a lot more bulletproof as of this update. See the Pen xbxvVP by Alex Caldwell on CodePen. If you’d like your banner to appear on all of your pages at the same time, navigate in your WordPress admin to Divi > Theme Options > Integration. Through some SCSS plus a bit of Flexbox, a few embedded SVGs, and a couple lines of jQuery we get a clean and powerful responsive web design menu system. You can take things a bit further and animate scrolling for all anchors on your page. In this tutorial I will show you how to **trigger CSS animations** on elements when scrolling down a page.