#divExpandViewArea{
    position: fixed;
    color: white;
   
    padding: 10px 10px;
    left: 0px;
    top: 547px;
    cursor: pointer;
    opacity: 0.9;
    background-color: #68228B;
}
 
#divCollapseViewArea{
    position: fixed;
    color: white;
    
    padding: 10px 10px;
    left: 0px;
    top: 586px;
    cursor: pointer;
    opacity: 0.9;
    background-color: #68228B;
}

body{/*背景图片设置*/
    background-image: url("https://source.unsplash.com/random/1600x900");
    /*background-image: url("https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1553688762072&di=ab42c220f13b2bfcc82473b694888e2a&imgtype=0&src=http%3A%2F%2Fi0.hdslb.com%2Fbfs%2Farticle%2F67ac80f204af02f1185497ee8d250f4deb4a93ef.jpg");*/
    background-repeat: repeat;
    background-attachment: fixed;
    background-size:cover;
}

#cb_post_title_url{
font-size:20px;
font-family: 'Lato', "PingFang SC", "Microsoft YaHei", sans-serif;
}

#sideBar{
font-family: 'Lato', "PingFang SC", "Microsoft YaHei", sans-serif;
}

#sideBar li{
line-height:25px;
}

#sideBar h3{
  font-size:18px;
  
}
.catListTitle{
text-align:center;
  background:#f5f5f5;
color:black;
font-weight:bold; 
font-size:18px;
//border-left:10px solid #2196f3;
height:30px;
line-height:30px
}

/*.sidebar-block{
border-left:6px solid #DEDEDE;
border-right:6px solid #DEDEDE;
}

.newsItem{
border-left:6px solid #DEDEDE;
border-right:6px solid #DEDEDE;
}*/

#navList{
color:#6a6a6a;
height:50px;
}
.postTitle{
  font-weight:bold; 
font-size:25px;
font-family: 'Lato', "PingFang SC", "Microsoft YaHei", sans-serif;
color: black;
/*color: #2196f3;*/
}


}

#navigator{
  background-color:#f5f5f5;
}

h1{
font-family: 'Lato', "PingFang SC", "Microsoft YaHei", sans-serif;
}

.menu{
margin-top:-7px;
    font-size:20px;
}

 #home {
margin-top:0px;
/*width: 85%;*/
/*background-color:#f5f5d5;*/
    filter:alpha(opacity=100); /*支持 IE 浏览器*/
-moz-opacity:1; /*支持 FireFox 浏览器*/
opacity:1; /*支持 Chrome, Opera, Safari 等浏览器*/
}

#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;
}
#ad_t2{
    display: none;
}
.change-image{
            cursor: pointer;
            position: fixed;
            right: 10%;
            bottom: 5%;
            width: 32px;
            height: 34px;
            background-image: url("https://www.easyicon.net/api/resizeApi.php?id=1138731&size=32");
 }
.up-to-top{
    cursor: pointer;
            position: fixed;
            right: 10%;
            top: 5%;
            width: 48px;
            height: 44px;
            background-image: url("https://www.easyicon.net/api/resizeApi.php?id=1187583&size=48");

}