#home {
    margin: 0 auto;
    width: 80%;/*原始65*/
    min-width: 980px;/*页面顶部的宽度*/
    background-color: rgba(245, 245, 245, 0.7);
    padding: 30px;
    margin-top: 50px;
    margin-bottom: 50px;
    box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
}
body {
    background: rgba(12, 100, 129, 1) url('https://images.cnblogs.com/cnblogs_com/Penn000/1013849/o_fr.jpg') fixed no-repeat;
    background-position: 50% 5%; 
    background-size: cover;
}
#blogTitle {
    height: 100px;  /*高度*/
    clear: both;
    background-color: rgba(245, 245, 245, 0);
}
#blogTitle h1 {
    font-size: 36px;
    font-weight: bold;
    line-height: 1.8em;/*原始 1.6em*/
    margin-top: 10px;/*原始 15px */
    color: #548B54;
}
#blogTitle h2 {
    font-weight: normal;
    font-size: 17px;/*原始 16px ；font-size: 1.0rem;*/      
    line-height: 1.8;
    color: #111;
    font-weight: bold;
    text-align: right;
    float: right; 
}