.TabShelf{margin:auto;display:flex;flex-wrap:wrap}input[name=tab_name]{display:none}.tab_class{width:calc(100%/4);height:30px;background-color:#ebd7bc;line-height:30px;font-size:15px;text-align:center;display:block;float:left;order:-1}input:checked+.tab_class{background-color:#ff8550;color:#f0f8ff}.content_class{display:none;width:100%;border:solid 1px}input:checked+.tab_class+.content_class{display:block}