#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: 65%;
    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);
}

#home {
    margin: 0 auto;
    opacity: 0.8;
    width: 65%;
    min-width: 1080px;
    background-color: #fff;
    padding: 30px;
    margin-top: 50px;
    margin-bottom: 50px;
    box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
}

#blogTitle {
    height: 60px;
    clear: both;
}

#navigator {
    font-size: 13px;
    border-bottom: 1px solid #ededed;
    border-top: 1px solid #ededed;
    height: 50px;
    clear: both;
    margin-top: 25px;
}

#blogTitle h2 {
    font-weight: normal;
    font-size: 18px;
    font-size: 1.18571429rem;
    line-height: 2.546153846;
    color: #757575;
    float: left;
}

body {
    background-image: url("https://blog-static.cnblogs.com/files/blogs/726825/11.gif"); //你选择的图片的url地址
    background-repeat: no-repeat;
    background-size：cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    background-attachment: fixed;
    filter: alpha(opacity=92);
    -moz-opacity: 0.92;
    -khtml-opacity: 0.92;
    opacity: 0.92;
}
.github-corner :hover .octo-arm {
        animation: octocat-wave 560ms ease-in-out;
     }
 @media (max-width: 991px) {
   .github-corner >svg {
             fill: #fff !important;
             color: #222 !important;
           }
   .github-corner .github-corner:hover .octo-arm {
              animation: none;
            }
   .github-corner .github-corner .octo-arm {
              animation: octocat-wave 560ms ease-in-out;
            }
 }
 @-moz-keyframes octocat-wave {
   0%, 100% {
         -webkit-transform: rotate(0);
         -moz-transform: rotate(0);
         -ms-transform: rotate(0);
         -o-transform: rotate(0);
         transform: rotate(0);
       }
   20%, 60% {
         -webkit-transform: rotate(-25deg);
         -moz-transform: rotate(-25deg);
         -ms-transform: rotate(-25deg);
         -o-transform: rotate(-25deg);
         transform: rotate(-25deg);
       }
   40%, 80% {
         -webkit-transform: rotate(10deg);
         -moz-transform: rotate(10deg);
         -ms-transform: rotate(10deg);
         -o-transform: rotate(10deg);
         transform: rotate(10deg);
       }
 }
 @-webkit-keyframes octocat-wave {
   0%, 100% {
         -webkit-transform: rotate(0);
         -moz-transform: rotate(0);
         -ms-transform: rotate(0);
         -o-transform: rotate(0);
         transform: rotate(0);
       }
   20%, 60% {
         -webkit-transform: rotate(-25deg);
         -moz-transform: rotate(-25deg);
         -ms-transform: rotate(-25deg);
         -o-transform: rotate(-25deg);
         transform: rotate(-25deg);
       }
   40%, 80% {
         -webkit-transform: rotate(10deg);
         -moz-transform: rotate(10deg);
         -ms-transform: rotate(10deg);
         -o-transform: rotate(10deg);
         transform: rotate(10deg);
       }
 }
 @-o-keyframes octocat-wave {
   0%, 100% {
         -webkit-transform: rotate(0);
         -moz-transform: rotate(0);
         -ms-transform: rotate(0);
         -o-transform: rotate(0);
         transform: rotate(0);
       }
   20%, 60% {
         -webkit-transform: rotate(-25deg);
         -moz-transform: rotate(-25deg);
         -ms-transform: rotate(-25deg);
         -o-transform: rotate(-25deg);
         transform: rotate(-25deg);
       }
   40%, 80% {
         -webkit-transform: rotate(10deg);
         -moz-transform: rotate(10deg);
         -ms-transform: rotate(10deg);
         -o-transform: rotate(10deg);
         transform: rotate(10deg);
       }
 }
 @keyframes octocat-wave {
   0%, 100% {
         -webkit-transform: rotate(0);
         -moz-transform: rotate(0);
         -ms-transform: rotate(0);
         -o-transform: rotate(0);
         transform: rotate(0);
       }
   20%, 60% {
         -webkit-transform: rotate(-25deg);
         -moz-transform: rotate(-25deg);
         -ms-transform: rotate(-25deg);
         -o-transform: rotate(-25deg);
         transform: rotate(-25deg);
       }
   40%, 80% {
         -webkit-transform: rotate(10deg);
         -moz-transform: rotate(10deg);
         -ms-transform: rotate(10deg);
         -o-transform: rotate(10deg);
         transform: rotate(10deg);
       }
 }