/*屏蔽底层广告*/
#ad_t2,#cnblogs_c1,#under_post_news,#cnblogs_c2,#under_post_kb {
    display:none; !important
}


/*回到顶部*/
.box{
    position:fixed;
    right:10px;
    bottom: 10px;
    height:30px;
    width: 50px;    
    text-align:center;
    padding-top:20px;    
    background-color: lightblue;
    border-radius: 20%;
    overflow: hidden;
}
.box:hover:before{
    top:50%
}
.box:hover .box-in{
    visibility: hidden;
}
.box:before{
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translate(-50%,-50%);
    content:'回到顶部';
    width: 40px;
    color:peru;
    font-weight:bold;

}    
.box-in{
    visibility: visible;
    display:inline-block;
    height:20px;
    width: 20px;
    border: 3px solid black;
    border-color: white transparent transparent white;
    transform:rotate(45deg);
}



/*网页加载动画CSS*/
.chromeframe {
    margin: .2em 0;
    background: #ccc;
    color: #000;
    padding: .2em 0
}
 
#loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999999
}
 
#loader {
    display: block;
    position: relative;
    left: 50%;
    top: 50%;
    width: 150px;
    height: 150px;
    margin: -75px 0 0 -75px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #FFF;
    -webkit-animation: spin 2s linear infinite;
    -ms-animation: spin 2s linear infinite;
    -moz-animation: spin 2s linear infinite;
    -o-animation: spin 2s linear infinite;
    animation: spin 2s linear infinite;
    z-index: 1001
}
 
#loader:before {
    content: "";
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #FFF;
    -webkit-animation: spin 3s linear infinite;
    -moz-animation: spin 3s linear infinite;
    -o-animation: spin 3s linear infinite;
    -ms-animation: spin 3s linear infinite;
    animation: spin 3s linear infinite
}
 
#loader:after {
    content: "";
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #FFF;
    -moz-animation: spin 1.5s linear infinite;
    -o-animation: spin 1.5s linear infinite;
    -ms-animation: spin 1.5s linear infinite;
    -webkit-animation: spin 1.5s linear infinite;
    animation: spin 1.5s linear infinite
}
 
@-webkit-keyframes spin {
    0% {
        -webkit-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        transform: rotate(0deg)
    }
 
    100% {
        -webkit-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        transform: rotate(360deg)
    }
}
 
@keyframes spin {
    0% {
        -webkit-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        transform: rotate(0deg)
    }
 
    100% {
        -webkit-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        transform: rotate(360deg)
    }
}
 
#loader-wrapper .loader-section {
    position: fixed;
    top: 0;
    width: 51%;
    height: 100%;
    background: #1abc9c;/*背景色 原#1abc9c */
    z-index: 1000;
    -webkit-transform: translateX(0);
    -ms-transform: translateX(0);
    transform: translateX(0)
}
 
#loader-wrapper .loader-section.section-left {
    left: 0
}
 
#loader-wrapper .loader-section.section-right {
    right: 0
}
 
.loaded #loader-wrapper .loader-section.section-left {
    -webkit-transform: translateX(-100%);
    -ms-transform: translateX(-100%);
    transform: translateX(-100%);
    -webkit-transition: all .7s .3s cubic-bezier(0.645,0.045,0.355,1.000);
    transition: all .7s .3s cubic-bezier(0.645,0.045,0.355,1.000)
}
 
.loaded #loader-wrapper .loader-section.section-right {
    -webkit-transform: translateX(100%);
    -ms-transform: translateX(100%);
    transform: translateX(100%);
    -webkit-transition: all .7s .3s cubic-bezier(0.645,0.045,0.355,1.000);
    transition: all .7s .3s cubic-bezier(0.645,0.045,0.355,1.000)
}
 
.loaded #loader {
    opacity: 0;
    -webkit-transition: all .3s ease-out;
    transition: all .3s ease-out
}
 
/* 原版load_title是从上面飘出去，感觉太二了注销掉了，结束自动消失 */
.loaded #loader-wrapper {
    visibility: hidden;
    /*-webkit-transform: translateY(-100%);*/
    /*-ms-transform: translateY(-100%);*/
    /*transform: translateY(-100%);*/
    /*-webkit-transition: all .3s 1s ease-out;*/
    /*transition: all .3s 1s ease-out*/
}
 
.no-js #loader-wrapper {
    display: none
}
 
.no-js h1 {
    color: #222
}
 
#loader-wrapper #load_title {
    font-family: 'Open Sans';
    color: #FFF;
    font-size: 19px;
    width: 100%;
    text-align: center;
    z-index: 9999999999999;
    position: absolute;
    top: 60%;
    opacity: 1;
    line-height: 30px
}
 
#loader-wrapper #load_title span {
    font-weight: normal;
    font-style: italic;
    font-size: 13px;
    color: #FFF;
    opacity: .5
}