A.!h1{color:red;width:100px;height:110px;} B.#h1{color:red;width:100px;height:110px;} C.h1{color:red;width:100px;height:110px;} D..h1{color:red;width:100px;height:110px;}
A.fixed B.absolute C.static D.relative
A.color:url(img/15.gif) B.font:url(img/17.gif) C.background:url(img/ca.gif) D.img:url(img/13.gif)