<div class="vertical"> <div class="content">content</div> </div>
.vertical { display: block; width: 200px; height: 200px; margin: 0 auto; border: 1px solid blue; writing-mode: vertical-lr; writing-mode: tb-lr;/* 兼容IE */ } .content { display: block; width: 100px; height: 100px; margin: auto 0; background-color:gray; writing-mode: horizontal-tb; }