<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body {font-family: Arial;}
.tab {
overflow: hidden;
border: 1px solid #ccc;
background-color: #f1f1f1;
}
.tab button {
background-color: inherit;
float: left;
border: none;
outline: none;
cursor: pointer;
padding: 14px 16px;
transition: 0.3s;
font-size: 17px;
}
.tab button:hover {
background-color: #ddd;
}
.tab button.active {
background-color: #ccc;
}
.tabcontent {
display: none;
padding: 6px 12px;
border: 1px solid #ccc;
border-top: none;
}
</style>
</head>
<body>