Centering Things in CSS
By Hemanta Sundaray on 2021-10-23
The result of the following two code snippets
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="box-container">
<div class="box"></div>
</div>
</body>
</html>style.css
* {
padding: 0;
margin: 0;
box-sizing: border-box;
}
html {
font-size: 62.5%;
font-family: sans-serif;
}
.box-container {
width: 30rem;
height: 30rem;
border: 0.2rem solid black;
}
.box {
width: 10rem;
height: 10rem;
padding: 0 2rem;
border: 0.2rem solid red;
}is the following:
Technique-1
style.css
* {
padding: 0;
margin: 0;
box-sizing: border-box;
}
html {
font-size: 62.5%;
font-family: sans-serif;
}
.box-container {
width: 30rem;
height: 30rem;
border: 0.2rem solid black;
position: relative;
}
.box {
width: 10rem;
height: 10rem;
padding: 0 2rem;
border: 0.2rem solid red;
}
.box {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}Technique-2
style.css
* {
padding: 0;
margin: 0;
box-sizing: border-box;
}
html {
font-size: 62.5%;
font-family: sans-serif;
}
.box-container {
width: 30rem;
height: 30rem;
border: 0.2rem solid black;
display: grid;
place-items: center;
}
.box {
width: 10rem;
height: 10rem;
padding: 0 2rem;
border: 0.2rem solid red;
}Both the techniques above result in the following:
