<style type="text/css"> .tujie{ position:relative} .tj_bf{ position:absolute; top:3%; left:32%; z-index:11;cursor:pointer;} .tj_dz{ position:absolute; bottom:1.1%; left:32%; z-index:11; cursor:pointer;} @media (min-device-width:320px) and (max-width:689px), (max-device-width:480px) { .tujie img{ width:99%; height:auto;} .tj_bf img,.tj_dz img{ width:72%; } } </style>