div样式

.white_Div {            display: none;            height: 3em;            position: absolute;            top: 15%;            left: 26%;            width: 40%;            padding: 16px;            border: 0px dotted #fff;            background-color: #999999;            z-index:1002;            overflow: auto;            margin-left:auto;            margin-right:auto;            text-align:center;            overflow: hidden;            cursor:wait;}.gray_Mask{            display: none;            position: absolute;            top: 0%;            left: 0%;            width: 100%;            height: 100%;            background-color: gray;            z-index:1001;            -moz-opacity: 0.8;            opacity:.80;            filter: alpha(opacity=80);            cursor:wait;}