body{height:100%} 
#imgdiv {
	    position: absolute;
	    z-index: 9999;
		background-color: red;
	    cursor: pointer;
	    text-align: center;
	    /*width: 200px;
	    height: 249px;*/
}
#imgdiv .imgfirline {
	    margin-top: 6px;
	}
	#imgdiv span {
	    display: inline-block;
	    width: 100%;
	    margin-top: 4px;
	    font-weight: bold;
	    font-size: 18px;
	    background: linear-gradient(to bottom, #ffffff, #ffe537);
	    -webkit-background-clip: text;
	    color: transparent;
	    position: absolute;
	    top: 50%;
	    left: 50%;
	    transform: translatey(-50%) translatex(-50%);
	}
	#imgdiv .imgdivreset {
	    position: absolute;
	    /*关闭按钮图标*/
	    background-image: url(/uploads/image/2limages/close.png);
	    -webkit-background-size: cover;
	    background-size: cover;
	    width: 14px;
	    height: 14px;
	    top: 1px;
	    right: 1px;
	}
	#imgdiv a {
	    display: inline-block;
	    width: 100%;
	    height: 100%;
	}