CSS এর সাথে একটি প্রতিক্রিয়াশীল টাইমলাইন তৈরি করতে, কোডটি নিম্নরূপ -
উদাহরণ
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" event="width=device-width, initial-scale=1.0">
<style>
* {
box-sizing: border-box;
}
body {
background-color: #9037f5;
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif
}
h2{
text-align: center;
}
.timeline {
position: relative;
max-width: 1200px;
margin: 0 auto;
}
.timeline::after {
content: " ";
position: absolute;
width: 6px;
background-color: rgb(253, 203, 255);
top: 0;
bottom: 0;
left: 50%;
margin-left: -3px;
}
/* eventsContainer around event */
.eventsContainer {
padding: 10px 40px;
position: relative;
background-color: inherit;
width: 50%;
}
.eventsContainer::after {
content: " ";
position: absolute;
width: 25px;
height: 25px;
right: -17px;
background-color: rgb(219, 255, 12);
border: 4px dashed rgb(255, 0, 0);
background-clip: content-box;
top: 15px;
z-index: 1;
}
.displayLeft {
left: 0;
}
.displayRight {
left: 50%;
}
.displayLeft::before {
content: " ";
height: 0;
position: absolute;
top: 22px;
width: 0;
z-index: 1;
right: 30px;
border: medium solid rgb(225, 246, 255);
border-width: 10px 0 10px 10px;
border-color: transparent transparent transparent white;
}
.displayRight::before {
content: " ";
height: 0;
position: absolute;
top: 22px;
width: 0;
z-index: 1;
left: 30px;
border: medium solid white;
border-width: 10px 10px 10px 0;
border-color: transparent white transparent transparent;
}
.displayRight::after {
left: -16px;
}
.event {
padding: 20px 30px;
background-color: white;
position: relative;
border-radius: 6px;
}
@media screen and (max-width: 600px) {
.timeline::after {
left: 31px;
}
.eventsContainer {
width: 100%;
padding-left: 70px;
padding-right: 25px;
}
.eventsContainer::before {
left: 60px;
border: medium solid white;
border-width: 10px 10px 10px 0;
border-color: transparent white transparent transparent;
}
.displayLeft::after, .displayRight::after {
left: 15px;
}
.displayRight {
left: 0%;
}
}
</style>
</head>
<body>
<div class="timeline">
<div class="eventsContainer displayLeft">
<div class="event">
<h2>2017</h2>
<h3>Donald Trump became the 45th president of US</h3>
</div>
</div>
<div class="eventsContainer displayRight">
<div class="event">
<h2>2016</h2>
<h3>Summer Olympics are held in rio de Janerio</h3>
</div>
</div>
<div class="eventsContainer displayLeft">
<div class="event">
<h2>2015</h2>
<h3>7.8 Magnitude Earthquake strikes nepal</h3>
</div>
</div>
</div>
</body>
</html> আউটপুট
উপরের কোডটি নিম্নলিখিত আউটপুট −
তৈরি করবে 
পর্দার আকার পরিবর্তন করার সময় -
