<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
* {
box-sizing: border-box;
}
body {
margin: 0;
font-family: Arial;
}
/* The grid: Four equal columns that floats next to each other */
.column {
float: left;
width: 25%;
padding: 10px;
}
/* Style the images inside the grid */
.column img {
opacity: 0.8;
cursor: pointer;
}
.column img:hover {
opacity: 1;
}
/* Clear floats after the columns */
.row:after {
content: "";
display: table;
clear: both;
}
/* The expanding image container */
.container {
position: relative;
display: none;
}
/* Expanding image text */
#imgtext {
position: absolute;
bottom: 15px;