/*练习*/

.TopFrame_cls{
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      margin: auto;
      width: 900px;
      height: 506px;
      border:#066 0px solid;
      transform: scale(1);
}




/* font only */
.font_en{
	font-family:Arial, Helvetica, sans-serif;
}