div.tab{overflow:hidden;border:1px solid #ccc;//background-color:#f1f1f1}div.tab button{background-color:inherit;float:left;border:0;outline:0;cursor:pointer;padding:14px 16px;transition:.3s}div.tab button{background-color:#f1f1f1}div.tab button:hover{background-color:#ddd}div.tab button.active{background-color:#ccc}.tabcontent{display:block;padding:6px 12px;//border:1px solid #ccc;border-top:0}.hidden-form{display:none}