* {
    margin: 0;
    padding: 0;
}

div {
    display: block;
}
body { 
background-color: #efefef; 
background-image: url(https://images.cnblogs.com/cnblogs_com/hdl-blog/1606504/o_191205024813hpbg3.jpg); background-repeat: no-repeat; 
background-attachment: fixed; 
background-position: center 0; 
background-size: cover; 
}
#home {
    margin: 0 auto;
}

#blogTitle {
    height: 70px;
    background: #fff;
    clear: both;
}

#blogTitle h1 {
    font-size: 150%;
    font-weight: bold;
    line-height: 1.5;
    margin-left: 1em;
    margin-top: 10px;
    width: 50%;
    float: left;
}

#blogTitle h2 {
    margin-left: 4em;
    line-height: 1.5;
    width: 50%;
    float: left;
}