<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body {
font-family: Arial, Helvetica, sans-serif;
}
.flip-box {
background-color: transparent;
width: 300px;
height: 200px;
border: 1px solid #f1f1f1;
perspective: 1000px;
}
.flip-box-inner {
position: relative;
width: 100%;
height: 100%;
text-align: center;
transition: transform 0.8s;
transform-style: preserve-3d;
}
.flip-box:hover .flip-box-inner {
transform: rotateY(180deg);
}
.flip-box-front, .flip-box-back {
position: absolute;
width: 100%;
height: 100%;
-webkit-backface-visibility: hidden;
backface-visibility: hidden;
}
.flip-box-front {
background-color: #bbb;
color: black;
}
.flip-box-back {
background-color: dodgerblue;
color: white;
transform: rotateY(180deg);