body {
    font-family: Verdana,Arial,Helvetica,sans-serif;
    font-size: 12px;
    min-height: 101%;
    background: url(https://images.cnblogs.com/cnblogs_com/cq-king/1556642/o_%E9%BC%ACq.jpg) top center no-repeat #000;
    background-repeat: no-repeat;
    background-size: 100%;
    background-attachment: fixed;
    opacity: 0.8;
    color: black;
}

#blogTitle h1 {
    font-size: 150%;
    font-weight: bold;
    line-height: 1.5em;
    margin-left: 1em;
    margin-top: 10px;
    width: 100%;
    float: left;
    display: inline;
    letter-spacing: 1px;
    text-align: center;
}
#home {
    margin: 0 auto;
    width: 1105px;
}
#navigator {
    background-color: #333;
    height: 57px;
    clear: both;
    margin-top: 20px;
    position: relative;
}

.head_img{
   text-align: center;
}

.postCon {
    float: right;
    line-height: 1.5em;
    width: 95%;
    clear: both;
    padding: 10px 0;
    font-size: 16px;
    letter-spacing: 1.5px;
    color: black;
    font-family: cursive;
}

#mainContent{
   width: 835px;
}