#mainContent {
    -o-text-overflow: ellipsis;
    text-overflow: ellipsis;
    overflow: hidden;
    word-break: break-all;
    float: right;
    width: 740px;
}

#sideBar {
    color: #a8b1ba;
    width: 250px;
    min-height: 200px;
    float: left;
    -o-text-overflow: ellipsis;
    text-overflow: ellipsis;
    overflow: hidden;
    word-break: break-all;
    width: 250px;
}

#header {
    background: #103858;
    background-image: url("https://files-cdn.cnblogs.com/files/blogs/780861/header_bj.bmp?t=1673945565");
    background-attachment: fixed;
    background-size: 100%;
}

#blogTitle {
    height: 150px;
    clear: both;
    width: 1000px;
    margin: 0 auto;
}