::Before And ::After Pseudo Elements
/*
pseudo elements ::before ::after CONTENT not element
content:'' ---required
img --- does not work
*/
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>CSS Tutorial</title>
<link rel="stylesheet" href="styles.css">
</head>
<body >
<p>before and after pseudo element</p>
<div>
<img src="./detox.jpg" alt="">
</div>
</body>
</html>
CSS:
/*
pseudo elements ::before ::after CONTENT not element
content:'' ---required
img --- does not work
*/
p::before {
content: "read this -";
color: red;
background: yellow;
font-weight: bold;
font-size: 2rem;
display:block;
}
p::after {
content: "end";
font-size: 2rem;
color: red;
background: yellow;
font-weight: bold;
display: block;
width: 50px;
height: 50px;
}
div {
width: 40vw;
margin: 100px auto;
position: relative;
}
img {
width: 100%;
display: block;
}
div::before {
content: "";
border: 2px solid green;
width: 100%;
height: 100%;
position: absolute;
box-sizing: border-box;
top: -40px;
left: -40px;
z-index: -2;
transition: all 1s linear;
}
div::after {
content: "";
border: 2px solid gray;
width: 100%;
height: 100%;
position: absolute;
box-sizing: border-box;
background: grey;
top: -20px;
left: -20px;
z-index: -1;
transition: all 0.5s linear;
}
div:hover::after,
div:hover::before {
left: 0;
top: 0;
}
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