萌绘moehui也有优化。建议使用stylus插件加载css，虽然油猴也行。
/* ==UserStyle==
@name B站网页优化去广告-Moe背景/自定义图片
@namespace ？？？
@version 1.0.1
@description 萌绘moehui也有优化。建议使用stylus插件加载css，虽然油猴也行。
@author yui
==/UserStyle== */
@-moz-document domain("bilibili.com"), domain("moehui.com"){
body:before
{
content: "";
position: fixed;
top: 0;
right: 0;
bottom: 0;
left: 0;
z-index: -100;
background-image: url(https://i0.hdslb.com/bfs/album/a284e6269702e91c0e8c8302a96f961bcbaeb2b7.jpg);
background-position: center ;
background-size: cover;
background-attachment: fixed;
background-repeat: no-repeat;
opacity: .2
}
@-moz-document domain("bilibili.com"){
body, #app,.bb-comment,.mini-type{background: rgba(0,0,0,0)!important;}
.textarea-container textarea{background-color: rgba(255,255,255,0.6)!important;}
.main-container .ep-list-wrapper,#danmukuBox{opacity:0.6}
#right-bottom-banner,.ad-report,#reportFirst2,#live_recommand_report{display: none!important;}
.bili-avatar-pendent,.b-danmaku-high-icon,.bilibili-player-dm-tip-wrap{display: none!important;}
#page-index .col-1,.col-full{background:transparent}
.card[data-v-2dbadba2],.feed-title[data-v-87ed4514],#page-dynamic .col-2 .section{background-color: rgba(255,255,255,0.6)}
#page-index .col-2{opacity:0.6}
.n .n-inner{background-color: rgba(255,255,255,0.7)}
/*个人动态页*/
.fixed-bg{background-image:none!important}
.left-panel,.right-panel{opacity:0.8}
.center-panel{opacity:0.9}
/*.bilibili-player-video-bottom-area,.bilibili-player-video-sendbar{opacity:0.8;background:rgba(155, 77, 228, 01)}*/
}
@-moz-document domain("moehui.com"){
body{background: rgba(0,0,0,0);}
.sec-panel{background: rgba(0,0,0,0)!important}
header{opacity:0.6}
.post-loop-default .item:hover{background:transparent}
}