<!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>Pop Up Box</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<input type="checkbox" name="" id="btn" class="btn">
<div class="box">
<p>Hello World!</p>
<label for="btn">Close</label>
</div>
</body>
</html> @import url('https://fonts.googleapis.com/css2?family=Poppins&display=swap');
*{
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: 'Poppins', sans-serif;
}
body{
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
}
.btn{
width: 120px;
height: 40px;
position: relative;
cursor: pointer;
appearance: none;
-webkit-appearance: none;
}
.btn::before{
content: 'OPEN';
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: #2C394B;
border-radius: 10px;
color: white;
z-index: -20;
display: flex;
justify-content: center;
align-items: center;
font-size: 1.22em;
box-shadow: 0px 6px #556b88;
transition: all .4s;
}
.btn:hover::before{
box-shadow: 0px 0px 30px #556b8883;
}
.box{
width: 350px;
height: 250px;
background: #2C394B;
color: white;
border-radius: 10px;
position: absolute;
clip-path: polygon(50% 50%, 50% 50%, 50% 50%, 50% 50%);
display: flex;
justify-content: center;
align-items: center;
flex-direction: column;
transition: all .4s;
}
.btn:checked ~ .box{
clip-path: polygon(0 0, 0 100%, 100% 100%, 100% 0);
}
.box p{
font-size: 1.5em;
}
.box label{
width: 120px;
height: 40px;
display: flex;
justify-content: center;
align-items: center;
background: white;
color: black;
margin-top: 1em;
border-radius: 10px;
cursor: pointer;
box-shadow: 0px 6px #556b88;
transition: all .4s;
}
label:hover{
box-shadow: 0px 0px 30px #788daa83;
}
External CSS
This Pen doesn't use any external CSS resources.
External JavaScript
This Pen doesn't use any external JavaScript resources.