<div id="accordion">
</div>

@import url(https://fonts.googleapis.com/css?family=Quicksand:300,400,700);

body {
  font-family: 'quicksand';
  font-weight: lighter;
  background: rgba(92,129,202,1);
  background: 
    -moz-linear-gradient(
      left, 
      rgba(92,129,202,1) 0%, 
      rgba(249,140,112,1) 100%
  );
  background:
    -webkit-linear-gradient(
        left, 
        rgba(92,129,202,1) 0%, 
        rgba(249,140,112,1) 100%
  );
}

.accordion {
   -webkit-box-shadow: 0px 13px 23px -13px rgba(0,0,0,0.5);
   width: 420px;
   background-color: transparent;
   margin: auto;
   margin-top: 50px;
}

.title {
  height: 30px;
  width: 400px;
  background-color: rgba(0,0,0, .4);
  color: #ffddcc;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-align: left;
  line-height: 2;
  font-weight: lighter;
  position: relative;
  padding: 10px;
  z-index: 2000;
  border-radius: 4px;
  margin-top: 2px;
  transition: all .2s ease-in;
}

.title-text {
  margin-left: 10px;
}

.title:hover {
  cursor: pointer;
  background-color: rgba(0,0,0, .5);
}

.content {
  height: 30px;
  width: 420px;
  background-color: transparent;
  border-radius: 4px;
  color: white;
  font-size: 14px;
  text-align: center;
  position: relative;
  z-index: 1000;
  margin-top: -30px;
  text-align: left;
  transition: all 200ms cubic-bezier(0.600, -0.280, 0.735, 0.045);
}

.content-open {
  margin-top: 0px;
  height: 200px;
  background-color: rgba(0,0,0, .1);
  transition: all 350ms cubic-bezier(0.080, 1.090, 0.320, 1.275);
}

.content-text {
  padding: 15px;
  visibility: hidden;
  opacity: 0;
  overflow: auto;
  transition: all .2s ease-in;
}

.content-text-open {
  visibility: visible;
  opacity: 1;
  transition: all .8s ease-in;
}

.fa-angle-down {
  font-size: 20px;
  color: rgba(255,255,255, .5);
  transition: all .6s cubic-bezier(0.080, 1.090, 0.320, 1.275);
}

.fa-rotate-180 {
  color: rgba(255,255,255, 1);
}

.arrow-wrapper {
  position: absolute;
  margin-left: 375px;
}
const App = React.createClass({
	
  render () {
  	let data = [
    	{
        title: "One", 
        content: `Lorem ipsum dolor sit amet, 
                  consectetur adipiscing elit, 
                  sed do eiusmod tempor incididunt 
                  ut labore et dolore magna aliqua. 
                  Ut enim ad minim veniam, quis 
                  nostrud exercitation ullamco laboris 
                  nisi ut aliquip ex ea commodo consequat. 
                  Duis aute irure dolor in reprehenderit 
                  in voluptate velit esse cillum dolore 
                  eu fugiat nulla pariatur. Excepteur 
                  sint occaecat cupidatat non proident, 
                  sunt in culpa qui officia deserunt 
                  mollit anim id est laborum.`
      }, {
        title: "Two", 
        content: `Lorem ipsum dolor sit amet, 
                  consectetur adipiscing elit, 
                  sed do eiusmod tempor incididunt 
                  ut labore et dolore magna aliqua. 
                  Ut enim ad minim veniam, quis 
                  nostrud exercitation ullamco laboris 
                  nisi ut aliquip ex ea commodo consequat. 
                  Duis aute irure dolor in reprehenderit 
                  in voluptate velit esse cillum dolore 
                  eu fugiat nulla pariatur. Excepteur 
                  sint occaecat cupidatat non proident, 
                  sunt in culpa qui officia deserunt 
                  mollit anim id est laborum.`
      },{
        title: "Three", 
        content: `Lorem ipsum dolor sit amet, 
                  consectetur adipiscing elit, 
                  sed do eiusmod tempor incididunt 
                  ut labore et dolore magna aliqua. 
                  Ut enim ad minim veniam, quis 
                  nostrud exercitation ullamco laboris 
                  nisi ut aliquip ex ea commodo consequat. 
                  Duis aute irure dolor in reprehenderit 
                  in voluptate velit esse cillum dolore 
                  eu fugiat nulla pariatur. Excepteur 
                  sint occaecat cupidatat non proident, 
                  sunt in culpa qui officia deserunt 
                  mollit anim id est laborum.`
      }
    ];
    
  	return (
    	<Accordion data={data} />
    );
  }
});

const Accordion = React.createClass({

	componentWillMount () {
  	let accordion = [];
    
  	this.props.data.forEach((i) => {
      accordion.push({
        title: i.title, 
        content: i.content, 
        open: false
      });
    });
    
		this.setState({
      accordionItems: accordion
    });
  },
  
  click (i) {
  	const newAccordion = this.state.accordionItems.slice();
    const index = newAccordion.indexOf(i)
    
    newAccordion[index].open = !newAccordion[index].open;
    this.setState({accordionItems: newAccordion});
  },
  
	render () {
    const sections = this.state.accordionItems.map((i) => (
      <div key={this.state.accordionItems.indexOf(i)}>
        <div 
          className="title" 
          onClick={this.click.bind(null, i)}
        >
         <div className="arrow-wrapper">
           <i className={i.open 
             ? "fa fa-angle-down fa-rotate-180" 
             : "fa fa-angle-down"}
           ></i>
         </div>
         <span className="title-text">
           {i.title}
         </span>
       </div>
       <div className={i.open 
         ? "content content-open" 
         : "content"}
        >
          <div className={i.open 
            ? "content-text content-text-open" 
            : "content-text"}
          > {i.content}
          </div>
        </div>
      </div>
    ));
    
    return (
      <div className="accordion">
        {sections}
      </div>
    );
   }
});

ReactDOM.render(
  <App />, 
  document.getElementById('accordion')
);
View Compiled

External CSS

  1. https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.8.24/browser.js
  2. https://fbcdn-dragon-a.akamaihd.net/hphotos-ak-xfa1/t39.3284-6/12512184_1664789273772979_614489084_n.js
  3. https://cdnjs.cloudflare.com/ajax/libs/react/15.6.1/react.min.js
  4. https://cdnjs.cloudflare.com/ajax/libs/react/15.6.1/react-dom.min.js