div[id^="ad_"] {
    display: none;
}
div[class^="c_ad"] {
    display: none;
}
div[id^="under_post"] {
    display: none;
}

#MySignature{
	border:solid 1px #E5E5E5;
	padding:10px;
	background:#FFFEFE url(https://images.cnblogs.com/cnblogs_com/grenet/226272/o_o_o_info.png) no-repeat scroll 15px 50%;
	padding-left:80px;
}

#MySignature div{
	line-height: 25px;
}