LOADING...

Preview

Pen ID
Unlock Campus Themeforest adv

 

Code

CSS Responsive Animated Accordion

CSS
@import url(https://fonts.googleapis.com/css?family=Lato:400,700);
* {
  box-sizing: border-box;
}

body {
  font-family: 'Lato';
}

.heading-primary {
  font-size: 2em;
  padding: 2em;
  text-align: center;
}

.accordion dl,
.accordion-list {
  border: 1px solid #ddd;
}
.accordion dl:after,
.accordion-list:after {
  content: "";
  display: block;
  height: 1em;
  width: 100%;
  background-color: #2ba659;
}

.accordion dd,
.accordion__panel {
  background-color: #eee;
  font-size: 1em;
  line-height: 1.5em;
}

.accordion p {
  padding: 1em 2em 1em 2em;
}

.accordion {
  position: relative;
  background-color: #eee;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 2em 0 2em 0;
}

.accordionTitle,
.accordion__Heading {
  background-color: #38cc70;
  text-align: center;
  font-weight: 700;
  padding: 2em;
  display: block;
  text-decoration: none;
  color: #fff;
  -webkit-transition: background-color 0.5s ease-in-out;
  transition: background-color 0.5s ease-in-out;
  border-bottom: 1px solid #30bb64;
}
.accordionTitle:before,
.accordion__Heading:before {
  content: "+";
  font-size: 1.5em;
  line-height: 0.5em;
  float: left;
  -webkit-transition: -webkit-transform 0.3s ease-in-out;
  transition: -webkit-transform 0.3s ease-in-out;
  transition: transform 0.3s ease-in-out;
  transition: transform 0.3s ease-in-out, -webkit-transform 0.3s ease-in-out;
}
.accordionTitle:hover,
.accordion__Heading:hover {
  background-color: #2ba659;
}

.accordionTitleActive,
.accordionTitle.is-expanded {
  background-color: #2ba659;
}
.accordionTitleActive:before,
.accordionTitle.is-expanded:before {
  -webkit-transform: rotate(-225deg);
          transform: rotate(-225deg);
}

.accordionItem {
  height: auto;
  overflow: hidden;
  max-height: 50em;
  -webkit-transition: max-height 1s;
  transition: max-height 1s;
}
@media screen and (min-width: 48em) {
  .accordionItem {
    max-height: 15em;
    -webkit-transition: max-height 0.5s;
    transition: max-height 0.5s;
  }
}

.accordionItem.is-collapsed {
  max-height: 0;
}

.no-js .accordionItem.is-collapsed {
  max-height: auto;
}

.animateIn {
  -webkit-animation: accordionIn 0.45s normal ease-in-out both 1;
          animation: accordionIn 0.45s normal ease-in-out both 1;
}

.animateOut {
  -webkit-animation: accordionOut 0.45s alternate ease-in-out both 1;
          animation: accordionOut 0.45s alternate ease-in-out both 1;
}

@-webkit-keyframes accordionIn {
  0% {
    opacity: 0;
    -webkit-transform: scale(0.9) rotateX(-60deg);
            transform: scale(0.9) rotateX(-60deg);
    -webkit-transform-origin: 50% 0;
            transform-origin: 50% 0;
  }
  100% {
    opacity: 1;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
}

@keyframes accordionIn {
  0% {
    opacity: 0;
    -webkit-transform: scale(0.9) rotateX(-60deg);
            transform: scale(0.9) rotateX(-60deg);
    -webkit-transform-origin: 50% 0;
            transform-origin: 50% 0;
  }
  100% {
    opacity: 1;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
}
@-webkit-keyframes accordionOut {
  0% {
    opacity: 1;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  100% {
    opacity: 0;
    -webkit-transform: scale(0.9) rotateX(-60deg);
            transform: scale(0.9) rotateX(-60deg);
  }
}
@keyframes accordionOut {
  0% {
    opacity: 1;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  100% {
    opacity: 0;
    -webkit-transform: scale(0.9) rotateX(-60deg);
            transform: scale(0.9) rotateX(-60deg);
  }
}
JS
//uses classList, setAttribute, and querySelectorAll
//if you want this to work in IE8/9 youll need to polyfill these
(function(){
	var d = document,
	accordionToggles = d.querySelectorAll('.js-accordionTrigger'),
	setAria,
	setAccordionAria,
	switchAccordion,
  touchSupported = ('ontouchstart' in window),
  pointerSupported = ('pointerdown' in window);
  
  skipClickDelay = function(e){
    e.preventDefault();
    e.target.click();
  }

		setAriaAttr = function(el, ariaType, newProperty){
		el.setAttribute(ariaType, newProperty);
	};
	setAccordionAria = function(el1, el2, expanded){
		switch(expanded) {
      case "true":
      	setAriaAttr(el1, 'aria-expanded', 'true');
      	setAriaAttr(el2, 'aria-hidden', 'false');
      	break;
      case "false":
      	setAriaAttr(el1, 'aria-expanded', 'false');
      	setAriaAttr(el2, 'aria-hidden', 'true');
      	break;
      default:
				break;
		}
	};
//function
switchAccordion = function(e) {
  console.log("triggered");
	e.preventDefault();
	var thisAnswer = e.target.parentNode.nextElementSibling;
	var thisQuestion = e.target;
	if(thisAnswer.classList.contains('is-collapsed')) {
		setAccordionAria(thisQuestion, thisAnswer, 'true');
	} else {
		setAccordionAria(thisQuestion, thisAnswer, 'false');
	}
  	thisQuestion.classList.toggle('is-collapsed');
  	thisQuestion.classList.toggle('is-expanded');
		thisAnswer.classList.toggle('is-collapsed');
		thisAnswer.classList.toggle('is-expanded');
 	
  	thisAnswer.classList.toggle('animateIn');
	};
	for (var i=0,len=accordionToggles.length; i
Host Instantly Drag and Drop Website Builder

 

Description

Originally when I first made this I just wanted to make an animated accordion with mostly CSS and some simple javascript. I've since added Aria roles and fixed up that Javascript to work better.
Term
Mon, 11/27/2017 - 22:10

Related Codes

Pen ID
Pen ID
Pen ID