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React Accordions:

React Gradient Accordion with Header Text Change

The accordion we have in this post has pink and blue headers. The contents of the accordions have a white background and the text of the accordions is black. The titles of the accordions are white. This accordion is placed in the middle of the screen in full width. By opening and closing the accordion, its content changes. The background color of the headers changes when the mouse is placed on them.

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React Accordion Code

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HTML Gradient Accordion

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Accordion Hover Effect

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Accordion Header Text Update


<!-- This script got from frontendfreecode.com -->
<div class='container'>
  <h3>Click or use 'Enter' to expand/collapse</h3>
  <h5>The attributes on the accordions refer to the state of the content area inside</h5>
  <div id='accordions'></div>
</div><a style="font-size: 8pt; text-decoration: none" target="_blank" href="http://frontendfreecode.com">Free Frontend</a>
                                                                            
body {
  min-height: 100vh;
  background-color: #f5f5f5;
  background-image: -webkit-linear-gradient(bottom, #f5f5f5, #fff);
  background-image: linear-gradient(to top,#f5f5f5, #fff);
  display: -webkit-box;
  display: -moz-box;
  display: box;
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -moz-box-pack: center;
  box-pack: center;
  -webkit-justify-content: center;
  -moz-justify-content: center;
  -ms-justify-content: center;
  -o-justify-content: center;
  justify-content: center;
  -ms-flex-pack: center;
}
.container {
  width: 100%;
  max-width: 500px;
}
.accordion {
  width: 100%;
  height: auto;
  margin: 10px 0px;
}
.accordion .accordion-item header {
  padding: 20px;
  background: #222;
  color: #fff;
  cursor: pointer;
  font-size: 0.9em;
  border-bottom: solid 1px #111;
  display: -webkit-box;
  display: -moz-box;
  display: box;
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -moz-box-pack: justify;
  box-pack: justify;
  -webkit-justify-content: space-between;
  -moz-justify-content: space-between;
  -ms-justify-content: space-between;
  -o-justify-content: space-between;
  justify-content: space-between;
  -ms-flex-pack: justify;
}
.accordion .accordion-item header:hover {
  background: #111;
}
.accordion .accordion-item section {
  background: #fff;
  padding: 40px;
}
.accordion .accordion-item.is-expanded section {
  display: block;
}
.accordion .accordion-item.is-collapsed section {
  display: none;
}
.accordion.dark .accordion-item:nth-child(1) header {
  background: #1a1a1a;
  border-bottom: solid 5px #131313;
}
.accordion.dark .accordion-item:nth-child(1) header:hover {
  background: #090909;
}
.accordion.dark .accordion-item:nth-child(2) header {
  background: #131313;
  border-bottom: solid 5px #030303;
}
.accordion.dark .accordion-item:nth-child(2) header:hover {
  background: #090909;
}
.accordion.dark .accordion-item:nth-child(3) header {
  background: #0b0b0b;
  border-bottom: solid 5px black;
}
.accordion.dark .accordion-item:nth-child(3) header:hover {
  background: #090909;
}
.accordion.dark .accordion-item:nth-child(4) header {
  background: #030303;
  border-bottom: solid 5px black;
}
.accordion.dark .accordion-item:nth-child(4) header:hover {
  background: #090909;
}
.accordion.dark .accordion-item:nth-child(5) header {
  background: black;
  border-bottom: solid 5px black;
}
.accordion.dark .accordion-item:nth-child(5) header:hover {
  background: #090909;
}
.accordion.dark .accordion-item section h2 {
  color: #222;
}
.accordion.blue .accordion-item:nth-child(1) header {
  background: #1c5983;
  border-bottom: solid 5px #1a5077;
}
.accordion.blue .accordion-item:nth-child(1) header:hover {
  background: #164566;
}
.accordion.blue .accordion-item:nth-child(2) header {
  background: #1a5077;
  border-bottom: solid 5px #143f5e;
}
.accordion.blue .accordion-item:nth-child(2) header:hover {
  background: #164566;
}
.accordion.blue .accordion-item:nth-child(3) header {
  background: #17486a;
  border-bottom: solid 5px #0f2e44;
}
.accordion.blue .accordion-item:nth-child(3) header:hover {
  background: #164566;
}
.accordion.blue .accordion-item:nth-child(4) header {
  background: #143f5e;
  border-bottom: solid 5px #091d2b;
}
.accordion.blue .accordion-item:nth-child(4) header:hover {
  background: #164566;
}
.accordion.blue .accordion-item:nth-child(5) header {
  background: #113751;
  border-bottom: solid 5px #040c12;
}
.accordion.blue .accordion-item:nth-child(5) header:hover {
  background: #164566;
}
.accordion.blue .accordion-item section h2 {
  color: #1F6190;
}
.accordion.light-blue .accordion-item:nth-child(1) header {
  background: #337bae;
  border-bottom: solid 5px #2f72a2;
}
.accordion.light-blue .accordion-item:nth-child(1) header:hover {
  background: #2b6792;
}
.accordion.light-blue .accordion-item:nth-child(2) header {
  background: #2f72a2;
  border-bottom: solid 5px #28628b;
}
.accordion.light-blue .accordion-item:nth-child(2) header:hover {
  background: #2b6792;
}
.accordion.light-blue .accordion-item:nth-child(3) header {
  background: #2c6a96;
  border-bottom: solid 5px #215173;
}
.accordion.light-blue .accordion-item:nth-child(3) header:hover {
  background: #2b6792;
}
.accordion.light-blue .accordion-item:nth-child(4) header {
  background: #28628b;
  border-bottom: solid 5px #1a405b;
}
.accordion.light-blue .accordion-item:nth-child(4) header:hover {
  background: #2b6792;
}
.accordion.light-blue .accordion-item:nth-child(5) header {
  background: #25597f;
  border-bottom: solid 5px #142f43;
}
.accordion.light-blue .accordion-item:nth-child(5) header:hover {
  background: #2b6792;
}
.accordion.light-blue .accordion-item section h2 {
  color: #3683BA;
}
.accordion.red .accordion-item:nth-child(1) header {
  background: #ae3547;
  border-bottom: solid 5px #a33242;
}
.accordion.red .accordion-item:nth-child(1) header:hover {
  background: #932d3c;
}
.accordion.red .accordion-item:nth-child(2) header {
  background: #a33242;
  border-bottom: solid 5px #8b2b39;
}
.accordion.red .accordion-item:nth-child(2) header:hover {
  background: #932d3c;
}
.accordion.red .accordion-item:nth-child(3) header {
  background: #972e3e;
  border-bottom: solid 5px #74232f;
}
.accordion.red .accordion-item:nth-child(3) header:hover {
  background: #932d3c;
}
.accordion.red .accordion-item:nth-child(4) header {
  background: #8b2b39;
  border-bottom: solid 5px #5c1c26;
}
.accordion.red .accordion-item:nth-child(4) header:hover {
  background: #932d3c;
}
.accordion.red .accordion-item:nth-child(5) header {
  background: #7f2734;
  border-bottom: solid 5px #45151c;
}
.accordion.red .accordion-item:nth-child(5) header:hover {
  background: #932d3c;
}
.accordion.red .accordion-item section h2 {
  color: #BA394C;
}
.accordion.yellow .accordion-item:nth-child(1) header {
  background: #ffa719;
  border-bottom: solid 5px #ffa109;
}
.accordion.yellow .accordion-item:nth-child(1) header:hover {
  background: #f49700;
}
.accordion.yellow .accordion-item:nth-child(2) header {
  background: #ffa109;
  border-bottom: solid 5px #ea9100;
}
.accordion.yellow .accordion-item:nth-child(2) header:hover {
  background: #f49700;
}
.accordion.yellow .accordion-item:nth-child(3) header {
  background: #f99a00;
  border-bottom: solid 5px #cb7e00;
}
.accordion.yellow .accordion-item:nth-child(3) header:hover {
  background: #f49700;
}
.accordion.yellow .accordion-item:nth-child(4) header {
  background: #ea9100;
  border-bottom: solid 5px #ad6b00;
}
.accordion.yellow .accordion-item:nth-child(4) header:hover {
  background: #f49700;
}
.accordion.yellow .accordion-item:nth-child(5) header {
  background: #db8700;
  border-bottom: solid 5px #8e5800;
}
.accordion.yellow .accordion-item:nth-child(5) header:hover {
  background: #f49700;
}
.accordion.yellow .accordion-item section h2 {
  color: #FFAD28;
}
var renderNode = document.getElementById("accordions");
React.initializeTouchEvents(true);
var Accordion = React.createClass({ displayName: "Accordion",
  render: function () {
   
    var classes = "accordion " + this.props.theme;
    return /*#__PURE__*/(
      React.createElement("div", { className: classes },
      this.props.children));
  } });
var AccordionItem = React.createClass({ displayName: "AccordionItem",
  // Initial setup
  getInitialState: function () {
    return {
      expanded: this.props.expanded };
  },
  // Actions   
  expand: function () {
    this.setState({ expanded: true });
  },
  collapse: function () {
    this.setState({ expanded: false });
  },
  toggleExpansion: function () {
    this.setState({ expanded: !this.state.expanded });
  },
  // Events
  handleClick: function () {
    this.toggleExpansion();
  },
  handleKeyPress: function (ev) {
    var key = ev.keyCode;
    console.log(ev);
    // Enter
    if (key === 13) {
      this.toggleExpansion();
    }
    // Esc
    if (key === 27) {
      this.collapse();
    }
  },
  // Render 
  render: function () {
    var expandState = this.state.expanded ? 'is-expanded' : 'is-collapsed',
    hiddenState = this.state.expanded ? '' : 'hidden',
    ariaHiddenState = this.state.expanded ? 'false' : 'true',
    tabState = this.state.expanded ? '0' : '-1',
    classes = "accordion-item " + expandState;
    return /*#__PURE__*/(
      React.createElement("div", { className: classes }, /*#__PURE__*/
      React.createElement("header", { onClick: this.handleClick, onKeyDown: this.handleKeyPress, tabIndex: "0" }, /*#__PURE__*/
      React.createElement("span", null, "Tab-Index = ", tabState), /*#__PURE__*/React.createElement("span", null, "Aria-Hidden = ", ariaHiddenState), /*#__PURE__*/React.createElement("span", null, "Hidden = ", hiddenState, " ")), /*#__PURE__*/
      React.createElement("section", { "aria-hidden": ariaHiddenState, hidden: hiddenState, tabIndex: tabState, onKeyDown: this.handleKeyPress }, /*#__PURE__*/
      React.createElement("h2", null, "Content"), "Lorem ipsum dolor sit amet, consectetur adipisicing elit. Enim inventore velit sint quod blanditiis, sapiente voluptatibus, molestiae, dolore ipsam labore quaerat veritatis fuga libero! Explicabo aperiam sapiente optio consectetur placeat.")));
  } });
 
React.render( /*#__PURE__*/
React.createElement("div", null, /*#__PURE__*/
React.createElement(Accordion, { theme: "red", toggleType: "all" }, /*#__PURE__*/
React.createElement(AccordionItem, null), /*#__PURE__*/
React.createElement(AccordionItem, { expanded: "true" }), /*#__PURE__*/
React.createElement(AccordionItem, null), /*#__PURE__*/
React.createElement(AccordionItem, null)), /*#__PURE__*/
React.createElement(Accordion, { theme: "light-blue", toggleType: "single" }, /*#__PURE__*/
React.createElement(AccordionItem, null), /*#__PURE__*/
React.createElement(AccordionItem, null), /*#__PURE__*/
React.createElement(AccordionItem, null), /*#__PURE__*/
React.createElement(AccordionItem, null))),
renderNode);
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css">
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/react/0.13.0/react.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/velocity/1.2.2/velocity.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/velocity/1.2.2/velocity.ui.js'></script>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<!-- This script got from frontendfreecode.com -->

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css">
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/react/0.13.0/react.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/velocity/1.2.2/velocity.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/velocity/1.2.2/velocity.ui.js'></script>
<style>
body {
  min-height: 100vh;
  background-color: #f5f5f5;
  background-image: -webkit-linear-gradient(bottom, #f5f5f5, #fff);
  background-image: linear-gradient(to top,#f5f5f5, #fff);
  display: -webkit-box;
  display: -moz-box;
  display: box;
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -moz-box-pack: center;
  box-pack: center;
  -webkit-justify-content: center;
  -moz-justify-content: center;
  -ms-justify-content: center;
  -o-justify-content: center;
  justify-content: center;
  -ms-flex-pack: center;
}
.container {
  width: 100%;
  max-width: 500px;
}
.accordion {
  width: 100%;
  height: auto;
  margin: 10px 0px;
}
.accordion .accordion-item header {
  padding: 20px;
  background: #222;
  color: #fff;
  cursor: pointer;
  font-size: 0.9em;
  border-bottom: solid 1px #111;
  display: -webkit-box;
  display: -moz-box;
  display: box;
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -moz-box-pack: justify;
  box-pack: justify;
  -webkit-justify-content: space-between;
  -moz-justify-content: space-between;
  -ms-justify-content: space-between;
  -o-justify-content: space-between;
  justify-content: space-between;
  -ms-flex-pack: justify;
}
.accordion .accordion-item header:hover {
  background: #111;
}
.accordion .accordion-item section {
  background: #fff;
  padding: 40px;
}
.accordion .accordion-item.is-expanded section {
  display: block;
}
.accordion .accordion-item.is-collapsed section {
  display: none;
}
.accordion.dark .accordion-item:nth-child(1) header {
  background: #1a1a1a;
  border-bottom: solid 5px #131313;
}
.accordion.dark .accordion-item:nth-child(1) header:hover {
  background: #090909;
}
.accordion.dark .accordion-item:nth-child(2) header {
  background: #131313;
  border-bottom: solid 5px #030303;
}
.accordion.dark .accordion-item:nth-child(2) header:hover {
  background: #090909;
}
.accordion.dark .accordion-item:nth-child(3) header {
  background: #0b0b0b;
  border-bottom: solid 5px black;
}
.accordion.dark .accordion-item:nth-child(3) header:hover {
  background: #090909;
}
.accordion.dark .accordion-item:nth-child(4) header {
  background: #030303;
  border-bottom: solid 5px black;
}
.accordion.dark .accordion-item:nth-child(4) header:hover {
  background: #090909;
}
.accordion.dark .accordion-item:nth-child(5) header {
  background: black;
  border-bottom: solid 5px black;
}
.accordion.dark .accordion-item:nth-child(5) header:hover {
  background: #090909;
}
.accordion.dark .accordion-item section h2 {
  color: #222;
}
.accordion.blue .accordion-item:nth-child(1) header {
  background: #1c5983;
  border-bottom: solid 5px #1a5077;
}
.accordion.blue .accordion-item:nth-child(1) header:hover {
  background: #164566;
}
.accordion.blue .accordion-item:nth-child(2) header {
  background: #1a5077;
  border-bottom: solid 5px #143f5e;
}
.accordion.blue .accordion-item:nth-child(2) header:hover {
  background: #164566;
}
.accordion.blue .accordion-item:nth-child(3) header {
  background: #17486a;
  border-bottom: solid 5px #0f2e44;
}
.accordion.blue .accordion-item:nth-child(3) header:hover {
  background: #164566;
}
.accordion.blue .accordion-item:nth-child(4) header {
  background: #143f5e;
  border-bottom: solid 5px #091d2b;
}
.accordion.blue .accordion-item:nth-child(4) header:hover {
  background: #164566;
}
.accordion.blue .accordion-item:nth-child(5) header {
  background: #113751;
  border-bottom: solid 5px #040c12;
}
.accordion.blue .accordion-item:nth-child(5) header:hover {
  background: #164566;
}
.accordion.blue .accordion-item section h2 {
  color: #1F6190;
}
.accordion.light-blue .accordion-item:nth-child(1) header {
  background: #337bae;
  border-bottom: solid 5px #2f72a2;
}
.accordion.light-blue .accordion-item:nth-child(1) header:hover {
  background: #2b6792;
}
.accordion.light-blue .accordion-item:nth-child(2) header {
  background: #2f72a2;
  border-bottom: solid 5px #28628b;
}
.accordion.light-blue .accordion-item:nth-child(2) header:hover {
  background: #2b6792;
}
.accordion.light-blue .accordion-item:nth-child(3) header {
  background: #2c6a96;
  border-bottom: solid 5px #215173;
}
.accordion.light-blue .accordion-item:nth-child(3) header:hover {
  background: #2b6792;
}
.accordion.light-blue .accordion-item:nth-child(4) header {
  background: #28628b;
  border-bottom: solid 5px #1a405b;
}
.accordion.light-blue .accordion-item:nth-child(4) header:hover {
  background: #2b6792;
}
.accordion.light-blue .accordion-item:nth-child(5) header {
  background: #25597f;
  border-bottom: solid 5px #142f43;
}
.accordion.light-blue .accordion-item:nth-child(5) header:hover {
  background: #2b6792;
}
.accordion.light-blue .accordion-item section h2 {
  color: #3683BA;
}
.accordion.red .accordion-item:nth-child(1) header {
  background: #ae3547;
  border-bottom: solid 5px #a33242;
}
.accordion.red .accordion-item:nth-child(1) header:hover {
  background: #932d3c;
}
.accordion.red .accordion-item:nth-child(2) header {
  background: #a33242;
  border-bottom: solid 5px #8b2b39;
}
.accordion.red .accordion-item:nth-child(2) header:hover {
  background: #932d3c;
}
.accordion.red .accordion-item:nth-child(3) header {
  background: #972e3e;
  border-bottom: solid 5px #74232f;
}
.accordion.red .accordion-item:nth-child(3) header:hover {
  background: #932d3c;
}
.accordion.red .accordion-item:nth-child(4) header {
  background: #8b2b39;
  border-bottom: solid 5px #5c1c26;
}
.accordion.red .accordion-item:nth-child(4) header:hover {
  background: #932d3c;
}
.accordion.red .accordion-item:nth-child(5) header {
  background: #7f2734;
  border-bottom: solid 5px #45151c;
}
.accordion.red .accordion-item:nth-child(5) header:hover {
  background: #932d3c;
}
.accordion.red .accordion-item section h2 {
  color: #BA394C;
}
.accordion.yellow .accordion-item:nth-child(1) header {
  background: #ffa719;
  border-bottom: solid 5px #ffa109;
}
.accordion.yellow .accordion-item:nth-child(1) header:hover {
  background: #f49700;
}
.accordion.yellow .accordion-item:nth-child(2) header {
  background: #ffa109;
  border-bottom: solid 5px #ea9100;
}
.accordion.yellow .accordion-item:nth-child(2) header:hover {
  background: #f49700;
}
.accordion.yellow .accordion-item:nth-child(3) header {
  background: #f99a00;
  border-bottom: solid 5px #cb7e00;
}
.accordion.yellow .accordion-item:nth-child(3) header:hover {
  background: #f49700;
}
.accordion.yellow .accordion-item:nth-child(4) header {
  background: #ea9100;
  border-bottom: solid 5px #ad6b00;
}
.accordion.yellow .accordion-item:nth-child(4) header:hover {
  background: #f49700;
}
.accordion.yellow .accordion-item:nth-child(5) header {
  background: #db8700;
  border-bottom: solid 5px #8e5800;
}
.accordion.yellow .accordion-item:nth-child(5) header:hover {
  background: #f49700;
}
.accordion.yellow .accordion-item section h2 {
  color: #FFAD28;
}
</style>

</head>
<body>
<div class='container'>
  <h3>Click or use 'Enter' to expand/collapse</h3>
  <h5>The attributes on the accordions refer to the state of the content area inside</h5>
  <div id='accordions'></div>
</div><div id="bcl"><a style="font-size:8pt;text-decoration:none;" href="http://www.devanswer.com">Free Frontend</a></div>
<script>
var renderNode = document.getElementById("accordions");
React.initializeTouchEvents(true);
var Accordion = React.createClass({ displayName: "Accordion",
  render: function () {
   
    var classes = "accordion " + this.props.theme;
    return /*#__PURE__*/(
      React.createElement("div", { className: classes },
      this.props.children));
  } });
var AccordionItem = React.createClass({ displayName: "AccordionItem",
  // Initial setup
  getInitialState: function () {
    return {
      expanded: this.props.expanded };
  },
  // Actions   
  expand: function () {
    this.setState({ expanded: true });
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