#google_ad_c1, 
#google_ad_c2 {display:none;}.syntaxhighlighter a, .syntaxhighlighter div, .syntaxhighlighter code, .syntaxhighlighter table, .syntaxhighlighter table td, .syntaxhighlighter table tr, .syntaxhighlighter table tbody, .syntaxhighlighter table thead, .syntaxhighlighter table caption, .syntaxhighlighter textarea {font-size: 12px!important;}
#home {opacity: 0.4;margin: 0 auto;width: 85%;background-color: rgba(199,238,206,1);padding: 30px;margin-top: 50px;margin-bottom: 50px;box-shadow: 0 2px 6px;}
#blogTitle h1 {font-size: 30px;font-weight: bold;font-family: "Comic Sans MS";line-height: 1.5em;margin-top: 50px;color: #515151;}
 body{
   background-color: #efefef;
     background-image: url(https://unsplash.it/1600/900?random);
     background-repeat: no-repeat; 
     background-attachment: fixed; 
     background-position: center 0; 
     background-size: cover; 
    }
.wall{
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}
div#midground{
    background: url("https://www.cnblogs.com/images/cnblogs_com/luzhanshi/1484971/o_midground.png");
    z-index: -1;
    -webkit-animation: cc 200s linear infinite;
    -moz-animation: cc 200s linear infinite;
    -o-animation: cc 200s linear infinite;
    animation: cc 200s linear infinite;
}
div#foreground{
    background: url("https://images.cnblogs.com/cnblogs_com/luzhanshi/1484971/o_foreground.png");
    z-index: -2;
    -webkit-animation: cc 253s linear infinite;
    -o-animation: cc 253s linear infinite;
    -moz-animation: cc 253s linear infinite;
    animation: cc 253s linear infinite;
}
div#top{
    background: url("https://www.cnblogs.com/images/cnblogs_com/luzhanshi/1484971/o_midground.png");
    z-index: -4;
    -webkit-animation: da 200s linear infinite;
    -o-animation: da 200s linear infinite;
    animation: da 200s linear infinite;
}
@-webkit-keyframes cc {
    from{
        background-position: 0 0;
        transform: translateY(10px);
    }
    to{
        background-position: 600% 0;
    }
}
@-o-keyframes cc {
    from{
        background-position: 0 0;
        transform: translateY(10px);
    }
    to{
        background-position: 600% 0;
    }
}
@-moz-keyframes cc {
    from{
        background-position: 0 0;
        transform: translateY(10px);
    }
    to{
        background-position: 600% 0;
    }
}
@keyframes cc {
    0%{
        background-position: 0 0;
    }
    100%{
        background-position: 600% 0;
    }
}

@keyframes da {
    0%{
        background-position: 0 0;
    }
    100%{
        background-position: 0 600%;
    }
}
@-webkit-keyframes da {
    0%{
        background-position: 0 0;
    }
    100%{
        background-position: 0 600%;
    }
}
@-moz-keyframes da {
    0%{
        background-position: 0 0;
    }
    100%{
        background-position: 0 600%;
    }
}
@-ms-keyframes da {
    0%{
        background-position: 0 0;
    }
    100%{
        background-position: 0 600%;
    }
}

<!--                            -->
#c{
position: fixed; 
top:0; 
left: 0; 
z-index:-1; 
opacity:0.8;
}
* {
margin: 0;
padding: 0;
border: 0;
}
#div_digg1 {
padding: 5px;
position: fixed;
_position: absolute;
z-index: 1000;
bottom: 5%;
left: 3.5%;
_left: 15px;
border: 0;
}
#sideBar { 
font-size: 12px;
border-radius: 18px;
margin: 0 auto;
background-color: #fff;
background-attachment: fixed;
box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
opacity: 0.7;
}

body {
font-family: "Helvetica Neue",Helvetica,Verdana,Arial,sans-serif;
font-size: 12px;
min-height: 101%;
}
#home {
border-radius: 18px;
margin: 0 auto;
width: 80%;
min-width: 750px;

background-attachment: fixed;
padding: 30px;
margin-top:50px;
margin-bottom: 50px;
box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
opacity: 0.8;
}

<style>.github-corner:hover .octo-arm{animation:octocat-wave 560ms ease-in-out}@keyframes octocat-wave{0%,100%{transform:rotate(0)}20%,60%{transform:rotate(-25deg)}40%,80%{transform:rotate(10deg)}}@media (max-width:500px){.github-corner:hover .octo-arm{animation:none}.github-corner .octo-arm{animation:octocat-wave 560ms ease-in-out}}</style>