<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
* {
box-sizing: border-box;
}
body {
margin: 0;
font-family: Arial, Helvetica, sans-serif;
}
/* The grid: Three equal columns that floats next to each other */
.column {
float: left;
width: 33.33%;
padding: 50px;
text-align: center;
font-size: 25px;
cursor: pointer;
color: white;
}
.containerTab {
padding: 20px;
color: white;
}
/* Clear floats after the columns */
.row:after {
content: "";
display: table;
clear: both;
}
/* Closable button inside the container tab */
.closebtn {
float: right;
color: white;
font-size: 35px;
cursor: pointer;
}
</style>
</head>
<body>