#site_nav_under {
display: none;
}
.c_ad_block, .ad_text_commentbox {
display: none;
margin: 0;
padding: 0;
}
#ad_under_google {
height: 0;
overflow: hidden;
}
#ad_under_google a {
display: none;
}
#home {
margin: 0 auto;
width: 90%;
min-width: 950px;
background-color: #fff;
padding: 30px;
margin-top: 30px;
margin-bottom: 50px;
box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
}

#blogTitle {
    background: url("https://images.cnblogs.com/cnblogs_com/trlanfeng/676883/o_title-yellow.png") no-repeat center 21px;
    height: 314px;
    clear: both;
    width: 1200px;
    margin: 0 auto;
    position: relative;
}
#blogTitle h1 {
    font-size: 30px;
    width: 310px;
    height: 100px;
    line-height: 100px;
    text-align: center;
    position: relative;
    top: 80px;
    left: 17px;
    font-weight: normal;
}
#blogTitle h2 {
    width: 550px;
    position: relative;
    height: 75px;
    line-height: 180%;
    font-weight: normal;
    top: 107px;
    left: 5px;
    font-size: 16px;
}
#blogTitle h1 a, #blogTitle h2 {
    color: #fff;
    font-family: "微软雅黑","宋体";
}
#blogLogo {
    float: right;
}
h1, h2,  {
    font-size: 100%;
    font-weight: normal;
}

body{
background-image:url("https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1519917822425&di=588e6805714d43b991fb54c928fad76e&imgtype=0&src=http%3A%2F%2Fpic1.win4000.com%2Fwallpaper%2F6%2F53bb63533c313.jpg");
background-repeat:no-repeat;
background-size:100%;
background-attachment: fixed;
filter:alpha(opacity=70); -moz-opacity:0.7; -khtml-opacity: 0.7; opacity: 0.7;
}