<!DOCTYPE html>
<html>
<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="4/w3.css">
<body>
<div class="w3-container">
<h2>Accordion Width</h2>
<p>Use the CSS width property to change the width of the accordion:</p>
<div class="w3-grey w3-section" style="width:25%">
<button onclick="myFunction('Demo1')" class="w3-button w3-block"> 25%</button>
<div id="Demo1" class="w3-hide w3-container">
<p>Lorem ipsum 25% width</p>
</div>
</div>
<div class="w3-dark-grey w3-section" style="width:50%">
<button onclick="myFunction('Demo2')" class="w3-button w3-block"> 50%</button>
<div id="Demo2" class="w3-hide w3-container">
<p>Lorem ipsum 50% width</p>
</div>
</div>
<div class="w3-light-grey w3-section" style="width:75%">
<button onclick="myFunction('Demo3')" class="w3-button w3-block"> 75%</button>
<div id="Demo3" class="w3-hide w3-container">
<p>Lorem ipsum 75% width</p>
</div>
</div>
<div class="w3-light-grey w3-section">
<button onclick="myFunction('Demo4')" class="w3-button w3-block"> Default (100%)</button>
<div id="Demo4" class="w3-hide w3-container">
<p>Lorem ipsum 100% width</p>
</div>
</div>
</div>
<script>
function myFunction(id) { var x = document.getElementById(id);