body:before {
    background: url(https://img2018.cnblogs.com/blog/1646268/201906/1646268-20190625093618683-318547492.jpg) center/cover no-repeat;
    content: '';
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.08;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    -webkit-filter: grayscale(100%);
    -moz-filter: grayscale(100%);
    -ms-filter: grayscale(100%);
    -o-filter: grayscale(100%);
    filter: grayscale(100%);
    filter: transparent;
}


/*代码高亮*/
syntaxhighlighter .bold {
   font-weight:unset !important;

syntaxhighlighter .line {
   background-color: rgb(40, 43, 46)!important;

syntaxhighlighter .line.alt2 {
   background-color: rgb(40, 43, 46)!important;
}
.syntaxhighlighter .line.alt1 {
    background-color: rgb(40, 43, 46)!important;
}
.syntaxhighlighter .comments, .syntaxhighlighter .comments a {
    color: rgb(129, 142, 150)!important;
}
.syntaxhighlighter .keyword {
    color: rgb(147, 199, 99)!important;
    font-weight: unset !important;
}
.syntaxhighlighter .preprocessor {
    color: rgb(85, 113, 130) !important;
}
.syntaxhighlighter .plain, .syntaxhighlighter .plain a {
    color: rgb(224, 226, 228)!important;
}
.syntaxhighlighter .color1, .syntaxhighlighter .color1 a {
    color: rgb(147, 199, 99)!important;
}
.syntaxhighlighter .string, .syntaxhighlighter .string a {
    color: rgb(236, 118, 0)!important;
}
.syntaxhighlighter .functions {
    color: rgb(140, 187, 173)!important;
}
.syntaxhighlighter .gutter .line {
    border-right: 2px solid rgb(147, 199, 99)!important;
}
.syntaxhighlighter.collapsed .toolbar {
    background: rgb(40, 43, 46)!important;
    border: none !important;
    border-radius: 5px !important;
}
.syntaxhighlighter.collapsed .toolbar a {
    color: rgb(147, 199, 99)!important;
}
.syntaxhighlighter.collapsed .toolbar a:hover {
    color: rgb(78, 109, 48)!important;
}
.syntaxhighlighter {
    border-radius: 5px;
}
/*第一种高亮结束，第二种高亮开始*/
.cnblogs_code div {
    background: #282b2e;
}
.cnblogs_code {
    background: #282b2e;
    border-radius: 5px;
    border: none;
    font-family: consolas !important;
    color: #fff;
}
.cnblogs_code_toolbar {
    background: #282b2e !important;
}
.cnblogs_code_toolbar a:hover, .cnblogs_code_toolbar a:link, .cnblogs_code_toolbar a:visited, .cnblogs_code_toolbar a:active, .cnblogs_code_toolbar a:link img, .cnblogs_code_toolbar a:visited img {
    background-color: #282b2e !important;
    border: none!important;
}
.cnblogs_code pre {
    font-family: consolas !important;
    padding-left: 3px;
    color: rgb(224, 226, 228);
}
.cnblogs_code span[style="color: #000000;"] , .cnblogs_code span[style="color: #ff0000;"]{
    color: rgb(224, 226, 228) !important;
}
.cnblogs_code span[style="color: #0000ff;"]{
    color: rgb(147, 199, 99)!important;
}
.cnblogs_code span[style="color: #800080;"]{
    color: #ffd740 !important;
}
.cnblogs_code span[style="color: #800000;"]{
    color: rgb(236, 118, 0)!important;
}
.cnblogs_code span[style="color: #008000;"]{
    color: rgb(129, 142, 150)!important;
}
.cnblogs_code span[style="color: #008080;"]{
    color: #afafaf!important;
    margin-right: 5px;
}
.cnblogs_code_collapse {
    border: none;
    background: #282b2e;
    color: rgb(147, 199, 99);
}
 .cnblogs_code > pre {
     border: none !important;
 }
 .cnblogs_code > textarea {
     color: #fff;
     background: transparent;
     border: none;
     outline: none;
 }
 /*代码高亮结束*/