/*去掉广告*/
#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;
    margin: 0;
    padding: 0;
}

/*全局样式*/
html,body{
font-family: 'Microsoft JhengHei', Microsoft YaHei , sans-serif;
}

/*https://lorempixel.com/1600/900/*/
/*https://unsplash.it/1600/900?random*/

body { background-color: #efefef; background-image: url(https://images.cnblogs.com/cnblogs_com/summer-nude/1065394/o_Wiki-background.jpg); 
background-repeat: no-repeat; background-attachment: fixed; background-position: center 0; background-size: cover; }