#all {
    width: 1366px;
    height: 1438px;
    border: solid 1px white;
    margin: auto;
    margin-top: 0;
    background-image: url("imageindex.jpg");
    background-repeat: no-repeat;
    /*filter: alpha(opacity=85); 设置背景图片透明度
    -moz-opacity: 0.85;
    -khtml-opacity: 0.85;
    opacity: 0.85;*/
}

#d3 {
    width: 996px;
    height: 1250px;
    background-color: #f7f2f2;
    border: none;
    margin: 0 auto;
    margin-top: 5px;
    font-size: 30px;
    font-weight: bold;
    overflow: scroll;
    overflow-x: hidden;
}

#d31,#d33,#d35,#d37,#d39,#d41,#d43,#d45,#d47,#d49,#d51,#d53,#d55,#d57,#d59{
    width: 360px;
    height: 240px;
    border: none;
    float: left;
    margin-top: 80px;
    margin-left: 60px;
    text-align: center;
    font-size: 15px;
    font-family: 'Microsoft YaHei';
    font-weight: 400;
}

#d32,#d34,#d36,#d38,#d40,#d42,#d44,#d46,#d48,#d50,#d52,#d54,#d56,#d58,#d60{
    width: 360px;
    height: 240px;
    border: none;
    margin-top: 80px;
    margin-right: 60px;
    float: right;
    text-align: center;
    font-size: 15px;
    font-family: 'Microsoft YaHei';
    font-weight: 400;
}