.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;padding-right:5px;width:33.33%}.tab button.milieu{border-left:1px solid #ddd;border-right:1px solid #ddd;border-top:none;border-bottom:none}.tab button:hover{background-color:#ddd}.tab button.active{background-color:#7FBA00;color:#fff}.tabcontent{display:none;border-top:none;background-color:#ddd}.tabcontent-interieur{padding:6px 12px}