code important
<!DOCTYPE html>
<html>
<head>
<title>Hello World!</title>
<link rel="stylesheet" href="styles.css" />
</head>
<body>
<div role ="search">
<input role="searchbox" type="text">
<button role="button">search</button>
</div>
<p>Lorem ipsum...</p>
<hr role="green">
<p>Lorem ipsum...</p>
<div
role="slider"
aria-valuemax="100"
aria-valuemin="0"
aria-valuenow="25">
<div class="sliderhandle">
</div>
<input
role=" spinbutton"
aria-valuemax="100"
aria-valuemin="0"
aria-valuenow="25"
type="number"
<div role="status">Online is the most comon in tfis year of World</div>
<div id="Bangla">
<select role="switch" aria-checked="true">
<option selected>On</option>
<option>Off</option>
<option>Hit</option>
</select>
</div>
<ul role="tablist">
<li role="tab">Introduction</li>
<li role="tab">Chapter 1</li>
<li role="tab"> Chapter 2</li>
</ul>
<table role="table">
<thead>
<!--etc--->
</thead>
<tbody>
<!Bangla >
</tbody>
</table>
<div style="float:left;">Some content on the left</div>
<div style="float:left;">Some content on the left</div>
<div style="float:right;">Some content on the left</div>
<div role="alertdialog">
<h1>Warning</h1>
<div role="alert">Your session will expire i 6 seconds</div>
</div>
<div role="application">
<h1>Calculation</h1>
<input id="num1" type="datetime-local">+<input id="num2" type="month">=
<span id="result"></span>
</div>
</body>