CSS line-height animated accordion pattern

Developer
Chris Wright
Size
7,059 Kb
Views
60,720
  1. CSS line-height animated accordion pattern Previews
  2. CSS line-height animated accordion pattern HTML Codes
  3. CSS line-height animated accordion pattern CSS Codes
  4. CSS line-height animated accordion pattern JS Codes

How do I make an css line-height animated accordion pattern?

Attempting to create the same max-height animation with line-height. This is not a perfect solution. Tested - Chrome 31, FF 25, IE10, Safari 7 (has a weird flash of text open opening).. What is a css line-height animated accordion pattern? How do you make a css line-height animated accordion pattern? This script and codes were developed by Chris Wright on 12 July 2022, Tuesday.

CSS line-height animated accordion pattern Previews
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CSS line-height animated accordion pattern - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>CSS line-height animated accordion pattern</title> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/meyer-reset/2.0/reset.min.css"> <style> /* NOTE: The styles were added inline because Prefixfree needs access to your styles and they must be inlined if they are on local disk! */ @import url(http://fonts.googleapis.com/css?family=Lato:400,700);
* { -moz-box-sizing: border-box; -webkit-box-sizing: border-box; box-sizing: border-box;
}
body { font-family: 'Lato';
}
h1 { font-size: 2em; padding: 2em; text-align: center;
}
.accordion dl { border: 1px solid #ddd;
}
.accordion dl:after { content: ""; display: block; height: 1em; width: 100%; background-color: #2ba659;
}
.accordion dt > a { text-align: center; font-weight: 700; padding: 2em; display: block; text-decoration: none; color: #fff; -webkit-transition: background-color 0.5s ease-in-out;
}
.accordion dd { font-size: 1em;
}
.accordion { position: relative; background-color: #eee;
}
.container { max-width: 960px; margin: 0 auto; padding: 2em 0 2em 0;
}
.accordionTitle { background-color: #38cc70; border-bottom: 1px solid #30bb64;
}
.accordionTitle:before { content: "+"; font-size: 1.5em; line-height: 0.5em; float: left; -moz-transition: -moz-transform 0.3s ease-in-out; -o-transition: -o-transform 0.3s ease-in-out; -webkit-transition: -webkit-transform 0.3s ease-in-out; transition: transform 0.3s ease-in-out;
}
.accordionTitle:hover { background-color: #2ba659;
}
.accordionTitleActive { background-color: #2ba659;
}
.accordionTitleActive:before { -webkit-transform: rotate(-225deg); -moz-transform: rotate(-225deg); transform: rotate(-225deg);
}
.accordionItem { line-height: 1.5em; padding: 1em; overflow: hidden; -webkit-transform: translate3d(0, 0, 0); -moz-transition: line-height 0.3s ease-out; -o-transition: line-height 0.3s ease-out; -webkit-transition: line-height 0.3s ease-out; transition: line-height 0.3s ease-out;
}
.accordionItem > p { padding: 1em 2em 1em 2em;
}
.accordionItemCollapsed { line-height: 0em; padding: 0;
}
.accordionItemCollapsed > p { padding: 0; -moz-transition: padding 0.4s ease-in-out; -o-transition: padding 0.4s ease-in-out; -webkit-transition: padding 0.4s ease-in-out; transition: padding 0.4s ease-in-out;
}
.animateIn { -webkit-animation-name: accordionIn; -webkit-animation-duration: 0.4s; -webkit-animation-iteration-count: 1; -webkit-animation-direction: normal; -webkit-animation-timing-function: ease-in-out; -webkit-animation-fill-mode: both; -webkit-animation-delay: 0.2s; -moz-animation-name: normal; -moz-animation-duration: 0.4s; -moz-animation-iteration-count: 1; -moz-animation-direction: alternate; -moz-animation-timing-function: ease-in-out; -moz-animation-fill-mode: both; -moz-animation-delay: 0.2s; animation-name: accordionIn; animation-duration: 0.4s; animation-iteration-count: 1; animation-direction: normal; animation-timing-function: ease-in-out; animation-fill-mode: both; animation-delay: 0.2s;
}
.animateOut { -webkit-animation-name: accordionOut; -webkit-animation-duration: 0.3s; -webkit-animation-iteration-count: 1; -webkit-animation-direction: alternate; -webkit-animation-timing-function: ease-in-out; -webkit-animation-fill-mode: both; -webkit-animation-delay: 0s; -moz-animation-name: accordionOut; -moz-animation-duration: 0.3s; -moz-animation-iteration-count: 1; -moz-animation-direction: alternate; -moz-animation-timing-function: ease-in-out; -moz-animation-fill-mode: both; -moz-animation-delay: 0s; animation-name: accordionOut; animation-duration: 0.3s; animation-iteration-count: 1; animation-direction: alternate; animation-timing-function: ease-in-out; animation-fill-mode: both; animation-delay: 0s;
}
@-webkit-keyframes accordionIn { 0% { opacity: 0; } 100% { opacity: 1; }
}
@-moz-keyframes accordionIn { 0% { opacity: 0; } 100% { opacity: 1; }
}
@keyframes accordionIn { 0% { opacity: 0; } 100% { opacity: 1; }
}
@-webkit-keyframes accordionOut { 0% { opacity: 1; } 100% { opacity: 0; }
}
@-moz-keyframes accordionOut { 0% { opacity: 1; } 100% { opacity: 0; }
}
@keyframes accordionOut { 0% { opacity: 1; } 1% { opacity: 0; } 100% { opacity: 0; }
} </style> <script src="https://cdnjs.cloudflare.com/ajax/libs/prefixfree/1.0.7/prefixfree.min.js"></script>
</head>
<body> <div class="container"> <h1>CSS Line-height Animated Accordion</h1> <div class="accordion"> <dl> <dt><a class="accordionTitle" href="#">First Accordion heading</a></dt> <dd class="accordionItem accordionItemCollapsed"> <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Morbi eu interdum diam. Donec interdum porttitor risus non bibendum. Maecenas sollicitudin eros in quam imperdiet placerat. Cras justo purus, rhoncus nec lobortis ut, iaculis vel ipsum. Donec dignissim arcu nec elit faucibus condimentum. Donec facilisis consectetur enim sit amet varius. Pellentesque justo dui, sodales quis luctus a, iaculis eget mauris. </p> <p>Aliquam dapibus, ante quis fringilla feugiat, mauris risus condimentum massa, at elementum libero quam ac ligula. Pellentesque at rhoncus dolor. Duis porttitor nibh ut lobortis aliquam. Nullam eu dolor venenatis mauris placerat tristique eget id dolor. Quisque blandit adipiscing erat vitae dapibus. Nulla aliquam magna nec elementum tincidunt.</p> </dd> <dt><a href="#" class="accordionTitle">Second Accordion heading</a></dt> <dd class="accordionItem accordionItemCollapsed"> <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Morbi eu interdum diam. Donec interdum porttitor risus non bibendum. Maecenas sollicitudin eros in quam imperdiet placerat. Cras justo purus, rhoncus nec lobortis ut, iaculis vel ipsum. Donec dignissim arcu nec elit faucibus condimentum. Donec facilisis consectetur enim sit amet varius. Pellentesque justo dui, sodales quis luctus a, iaculis eget mauris. </p> <p>Aliquam dapibus, ante quis fringilla feugiat, mauris risus condimentum massa, at elementum libero quam ac ligula. Pellentesque at rhoncus dolor. Duis porttitor nibh ut lobortis aliquam. Nullam eu dolor venenatis mauris placerat tristique eget id dolor. Quisque blandit adipiscing erat vitae dapibus. Nulla aliquam magna nec elementum tincidunt.</p> <p>Aliquam dapibus, ante quis fringilla feugiat, mauris risus condimentum massa, at elementum libero quam ac ligula. Pellentesque at rhoncus dolor. Duis porttitor nibh ut lobortis aliquam. Nullam eu dolor venenatis mauris placerat tristique eget id dolor. Quisque blandit adipiscing erat vitae dapibus. Nulla aliquam magna nec elementum tincidunt.</p> </dd> <dt><a href="#" class="accordionTitle">Third Accordion heading</a></dt> <dd class="accordionItem accordionItemCollapsed"> <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Morbi eu interdum diam. Donec interdum porttitor risus non bibendum. Maecenas sollicitudin eros in quam imperdiet placerat. Cras justo purus, rhoncus nec lobortis ut, iaculis vel ipsum. Donec dignissim arcu nec elit faucibus condimentum. Donec facilisis consectetur enim sit amet varius. Pellentesque justo dui, sodales quis luctus a, iaculis eget mauris. </p> <p>Aliquam dapibus, ante quis fringilla feugiat, mauris risus condimentum massa, at elementum libero quam ac ligula. Pellentesque at rhoncus dolor. Duis porttitor nibh ut lobortis aliquam. Nullam eu dolor venenatis mauris placerat tristique eget id dolor. Quisque blandit adipiscing erat vitae dapibus. Nulla aliquam magna nec elementum tincidunt.</p> <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Morbi eu interdum diam. Donec interdum porttitor risus non bibendum. Maecenas sollicitudin eros in quam imperdiet placerat. Cras justo purus, rhoncus nec lobortis ut, iaculis vel ipsum. Donec dignissim arcu nec elit faucibus condimentum. Donec facilisis consectetur enim sit amet varius. Pellentesque justo dui, sodales quis luctus a, iaculis eget mauris. </p> <p>Aliquam dapibus, ante quis fringilla feugiat, mauris risus condimentum massa, at elementum libero quam ac ligula. Pellentesque at rhoncus dolor. Duis porttitor nibh ut lobortis aliquam. Nullam eu dolor venenatis mauris placerat tristique eget id dolor. Quisque blandit adipiscing erat vitae dapibus. Nulla aliquam magna nec elementum tincidunt.</p> </dd> </dl> </div> </div> <script src="js/index.js"></script>
</body>
</html>

CSS line-height animated accordion pattern - Script Codes CSS Codes

@import url(http://fonts.googleapis.com/css?family=Lato:400,700);
* { -moz-box-sizing: border-box; -webkit-box-sizing: border-box; box-sizing: border-box;
}
body { font-family: 'Lato';
}
h1 { font-size: 2em; padding: 2em; text-align: center;
}
.accordion dl { border: 1px solid #ddd;
}
.accordion dl:after { content: ""; display: block; height: 1em; width: 100%; background-color: #2ba659;
}
.accordion dt > a { text-align: center; font-weight: 700; padding: 2em; display: block; text-decoration: none; color: #fff; -webkit-transition: background-color 0.5s ease-in-out;
}
.accordion dd { font-size: 1em;
}
.accordion { position: relative; background-color: #eee;
}
.container { max-width: 960px; margin: 0 auto; padding: 2em 0 2em 0;
}
.accordionTitle { background-color: #38cc70; border-bottom: 1px solid #30bb64;
}
.accordionTitle:before { content: "+"; font-size: 1.5em; line-height: 0.5em; float: left; -moz-transition: -moz-transform 0.3s ease-in-out; -o-transition: -o-transform 0.3s ease-in-out; -webkit-transition: -webkit-transform 0.3s ease-in-out; transition: transform 0.3s ease-in-out;
}
.accordionTitle:hover { background-color: #2ba659;
}
.accordionTitleActive { background-color: #2ba659;
}
.accordionTitleActive:before { -webkit-transform: rotate(-225deg); -moz-transform: rotate(-225deg); transform: rotate(-225deg);
}
.accordionItem { line-height: 1.5em; padding: 1em; overflow: hidden; -webkit-transform: translate3d(0, 0, 0); -moz-transition: line-height 0.3s ease-out; -o-transition: line-height 0.3s ease-out; -webkit-transition: line-height 0.3s ease-out; transition: line-height 0.3s ease-out;
}
.accordionItem > p { padding: 1em 2em 1em 2em;
}
.accordionItemCollapsed { line-height: 0em; padding: 0;
}
.accordionItemCollapsed > p { padding: 0; -moz-transition: padding 0.4s ease-in-out; -o-transition: padding 0.4s ease-in-out; -webkit-transition: padding 0.4s ease-in-out; transition: padding 0.4s ease-in-out;
}
.animateIn { -webkit-animation-name: accordionIn; -webkit-animation-duration: 0.4s; -webkit-animation-iteration-count: 1; -webkit-animation-direction: normal; -webkit-animation-timing-function: ease-in-out; -webkit-animation-fill-mode: both; -webkit-animation-delay: 0.2s; -moz-animation-name: normal; -moz-animation-duration: 0.4s; -moz-animation-iteration-count: 1; -moz-animation-direction: alternate; -moz-animation-timing-function: ease-in-out; -moz-animation-fill-mode: both; -moz-animation-delay: 0.2s; animation-name: accordionIn; animation-duration: 0.4s; animation-iteration-count: 1; animation-direction: normal; animation-timing-function: ease-in-out; animation-fill-mode: both; animation-delay: 0.2s;
}
.animateOut { -webkit-animation-name: accordionOut; -webkit-animation-duration: 0.3s; -webkit-animation-iteration-count: 1; -webkit-animation-direction: alternate; -webkit-animation-timing-function: ease-in-out; -webkit-animation-fill-mode: both; -webkit-animation-delay: 0s; -moz-animation-name: accordionOut; -moz-animation-duration: 0.3s; -moz-animation-iteration-count: 1; -moz-animation-direction: alternate; -moz-animation-timing-function: ease-in-out; -moz-animation-fill-mode: both; -moz-animation-delay: 0s; animation-name: accordionOut; animation-duration: 0.3s; animation-iteration-count: 1; animation-direction: alternate; animation-timing-function: ease-in-out; animation-fill-mode: both; animation-delay: 0s;
}
@-webkit-keyframes accordionIn { 0% { opacity: 0; } 100% { opacity: 1; }
}
@-moz-keyframes accordionIn { 0% { opacity: 0; } 100% { opacity: 1; }
}
@keyframes accordionIn { 0% { opacity: 0; } 100% { opacity: 1; }
}
@-webkit-keyframes accordionOut { 0% { opacity: 1; } 100% { opacity: 0; }
}
@-moz-keyframes accordionOut { 0% { opacity: 1; } 100% { opacity: 0; }
}
@keyframes accordionOut { 0% { opacity: 1; } 1% { opacity: 0; } 100% { opacity: 0; }
}

CSS line-height animated accordion pattern - Script Codes JS Codes

/*! * classie - class helper functions * from bonzo https://github.com/ded/bonzo * * classie.has( elem, 'my-class' ) -> true/false * classie.add( elem, 'my-new-class' ) * classie.remove( elem, 'my-unwanted-class' ) * classie.toggle( elem, 'my-class' ) */
/*jshint browser: true, strict: true, undef: true */
/*global define: false */
( function( window ) {
'use strict';
// class helper functions from bonzo https://github.com/ded/bonzo
function classReg( className ) { return new RegExp("(^|\\s+)" + className + "(\\s+|$)");
}
// classList support for class management
// altho to be fair, the api sucks because it won't accept multiple classes at once
var hasClass, addClass, removeClass;
if ( 'classList' in document.documentElement ) { hasClass = function( elem, c ) { return elem.classList.contains( c ); }; addClass = function( elem, c ) { elem.classList.add( c ); }; removeClass = function( elem, c ) { elem.classList.remove( c ); };
}
else { hasClass = function( elem, c ) { return classReg( c ).test( elem.className ); }; addClass = function( elem, c ) { if ( !hasClass( elem, c ) ) { elem.className = elem.className + ' ' + c; } }; removeClass = function( elem, c ) { elem.className = elem.className.replace( classReg( c ), ' ' ); };
}
function toggleClass( elem, c ) { var fn = hasClass( elem, c ) ? removeClass : addClass; fn( elem, c );
}
var classie = { // full names hasClass: hasClass, addClass: addClass, removeClass: removeClass, toggleClass: toggleClass, // short names has: hasClass, add: addClass, remove: removeClass, toggle: toggleClass
};
// transport
if ( typeof define === 'function' && define.amd ) { // AMD define( classie );
} else { // browser global window.classie = classie;
}
})( window );
//fake jQuery
var $ = function(selector){ return document.querySelector(selector);
}
var accordion = $('.accordion');
//add event listener to all anchor tags with accordion title class
accordion.addEventListener("click",function(e) { e.stopPropagation(); e.preventDefault(); if(e.target && e.target.nodeName == "A") { var classes = e.target.className.split(" "); if(classes) { for(var x = 0; x < classes.length; x++) { if(classes[x] == "accordionTitle") { var title = e.target; //next element sibling needs to be tested in IE8+ for any crashing problems var content = e.target.parentNode.nextElementSibling; //use classie to then toggle the active class which will then open and close the accordion classie.toggle(title, 'accordionTitleActive'); //this is just here to allow a custom animation to treat the content if(classie.has(content, 'accordionItemCollapsed')) { if(classie.has(content, 'animateOut')){ classie.remove(content, 'animateOut'); } classie.add(content, 'animateIn'); }else{ classie.remove(content, 'animateIn'); classie.add(content, 'animateOut'); } //remove or add the collapsed state classie.toggle(content, 'accordionItemCollapsed'); } } } }
});
CSS line-height animated accordion pattern - Script Codes
CSS line-height animated accordion pattern - Script Codes
Home Page Home
Developer Chris Wright
Username chriswrightdesign
Uploaded July 12, 2022
Rating 3
Size 7,059 Kb
Views 60,720
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