/*×ÔÖƵ¯´°Ñùʽ*/
.marke
{
  display:none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;
  height: 50px;
  line-height: 50px;
  width: 300px;
  height:50px;
  text-align: center;
  font-size: 16px;
  font-family:"΢ÈíÑźÚ";
  color: #fff;
  background: rgba(0, 0, 0, 0.8);
  border-radius: 5px; 
  z-index: 9999;
}