A.#box{width:100px;height:50px;}B.#box{width:100px;height:50px;postion:absolute}C.#box{width:100px;height:50px;postion:relative}D.#box{width:100px;height:50px;position:static}
A.margin: B.indent: C.margin-left: D.text-indent:
A.display:false B.display:hidden C.display:none D.display:" "