我用的这个
@namespace url(
http://www.w3.org/1999/xhtml);
@-moz-document domain("tieba.baidu.com") {
/*贴吧全部html*/
html{
background-color:rgba(255,255,255,0.5)!important;
background-image:url(

) !important;
background-image:
-moz-linear-gradient(top,rgba(228,228,228,0.3) 0%,rgba(228,228,228,0.31) 20%,rgba(228,228,228,0.32) 40%,rgba(228,228,228,0.33) 60%,rgba(228,228,228,0.34) 80%,rgba(228,228,228,0.35) 100%),
-moz-linear-gradient(left,rgba(238,238,238,0.35) 0%,rgba(238,238,238,0.34) 20%,rgba(238,238,238,0.33) 40%,rgba(238,238,238,0.32) 60%,rgba(238,238,238,0.31) 80%,rgba(238,238,238,0.3) 100%),
url(

) !important;
background-image:
-webkit-gradient(linear, left 25%, left 95%, from(rgba(228,228,228,0.3) ), to(rgba(228,228,228,0.35) )),
-webkit-gradient(linear, 20% top,70% top,from(rgba(238,238,238,0.35) ), to(rgba(238,238,238,0.3) )),
url(

) !important;
background-repeat:no-repeat!important;
background-position:center right!important;
background-attachment:fixed!important;
}
/*贴吧全部body*/
body{
background-image:none !important;
background-color:rgba(255,255,255,0) !important;
}
/*贴吧列表页面主题去除*//*wrap1看图界面背景*/
.wrap2,.wrap1{
background-image:none !important;
background-color:rgba(255,255,255,0) !important;
}
/*签到排名dir_rank*/
.dir_rank{
background: none transparent !important;
background-color: rgba(255,255,255,0) !important;
background-image:none!important;
}
.dir_rank a{
color: #000 !important;
text-decoration:none !important;
}
/*帖子列表背景去除(#container, .frs_content单行.threadlist li.threadlist_li_gray双行)*/
#container, .frs_content,.threadlist li.threadlist_li_gray{
background: none transparent !important;
background-color: rgba(255,255,255,0) !important;
background-image:none!important;
}
/*帖子列表-链接样式visited(访问过)*/
.threadlist_title a:visited{
color: #6257f0 !important;
}
.threadlist_title a:hover{
color: #1D53BF !important;
text-decoration:none !important;
}
/*所有输入框*/
input {
font-family:黑体 !important;