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-top: none;
}