.tips{  width: 440px;
    height: 50px;
    position: absolute;
    left: 50%;
    margin-left: -221px;
    bottom: 200px;
    background: rgba(0,0,0,0.75);
    color: #fff;
    line-height: 50px;
    text-align: center;
    font-family: "΢ÈíÑźÚ";
    border-radius: 5px;
    display: none;
  }
.db_close{
	      position: absolute;
    border: 1px solid #ddd;
    border-radius: 50%;
    top: -10px;
    right: -10px;
    padding: 1px 1px 1px 1px;
    box-shadow: 0px 0px 1px #ccc;
  }
  
.db_close .db_close1{
	display: block;
    width: 20px;
    height: 20px;
    line-height: 20px;
    border-radius: 50%;
    background-image: linear-gradient(#f49095,#cc0000);
    font-size: 16px;
    color: white;
    text-align: center;
  }