body {
    font-size: 14px;
    background-color: #000000;
}
.hljs {
    background: #f5f5f5;
    display: block;
    font-family: "Courier New", sans-serif;
    font-size: 18px;
    border: 1px solid #ccc;
    padding: 5px;
    border-radius: 3px;
    overflow-x: auto;
}
.postBody {
    color: #000;
    line-height: 1.7;
    font-size: 18px;
}
#sideBar {
    font-size: 16px;
}

/* 文章条目下边框 */
.postDesc {
    border-bottom: groove;
}