Need help with CSS again! :)

If you go to my site (neeliarose.com) and click onc comments, you’ll see that some of it has a transparent background and it’s hard to read. Can someone point out what I’m missing in the code and how to change it? Thank you!

/* comment START */
#commentlist { background:#FFF; border-top:1px solid #000; border-bottom:1px solid #000; margin:0 0; padding:0 0; }
#commentlist ol, #commentlist li { list-style:none; padding:0px; margin:0 0 10px 0; }
#cmtswitcher { background:#FFF; font-size:10px; padding-top:5px; }
#cmtswitcher a.tab, #cmtswitcher a.curtab { padding:5px 10px; margin-bottom:-1px; display:block; float:right; color:#555; text-decoration:none; }
#cmtswitcher a.tab:hover, #cmtswitcher a.curtab:hover { color:#fa6ea5; }
#cmtswitcher a.tab { border:1px solid #FFF; border-bottom-color:#000; }
#cmtswitcher a.curtab { background:#FFF; border:1px solid #000; border-bottom-color:#FCFCFC; }
#cmtswitcher .addcomment, #cmtswitcher .addtrackback {
 padding-left:; height:16px; line-height:16px; display:block; font-size:11px; float:left; margin-right:15px; margin-top:4px !important; margin-top:3px; }
#cmtswitcher .addcomment {  background:;
}
#cmtswitcher .addtrackback {  background:;
}
#thecomments, #thetrackbacks { padding-bottom:15px; }
#thecomments .comment, #thecomments .messagebox { margin-top:15px; }
.comment .author { float:left; width:81px; text-align:center; }
.comment .pic { background: #FFF 100% 33% no-repeat; padding-right:14px; margin-top:10px; }
.comment .name { width:67px; padding-right:14px; font-weight:bold; overflow:hidden; }
.comment .avatar { padding:1px; border:1px solid #999; }
.comment .info { background:#FFFFFF; float:left; padding:10px 15px 0; margin:5px 0 0 0; width:470px; }
.comment .date, .trackback .date { visibility:hidden; }
.comment .act, .trackback .act { float:left; font-size:10px; }
.comment .content { background: #FFF; margin:0 -15px; padding:0 15px 10px; line-height:145%; }
.comment .content p { margin-top:10px; }
.comment .content blockquote p { margin-top:0; margin-bottom:10px; }
.admincomment .author { float:right; }
.admincomment .pic { background:url(img/commentpoint.png) 0% 33% no-repeat; padding-right:0; padding-left:14px; }
.admincomment .name { padding-right:0; padding-left:14px; }
.admincomment .info { float:left;  width:
}
#comment_login { margin-top:15px; }
#thetrackbacks { display:none; }
#thetrackbacks li { margin-top:15px; }
.trackback { background:#EDEFF0 url(img/box.gif) 0 0 no-repeat; padding:10px 15px 0; width:575px; }
.trackback .title { background:#EDEFF0 url(img/box.gif) 100% 100% no-repeat; padding:10px 15px !important; padding:0 15px 10px; width:575px; margin:0 -15px; }
#respond { padding:10px 0 0; font-size:11px; }
#respond .row { margin-bottom:5px; }
#respond .textfield { width:200px; }
#emoticon { float:right; margin-top:1px; margin-right:10px; }
#comment { width:500px; float:center; }
#commentnavi { background:#EDEFF0 url(img/box.gif) 0 0 no-repeat; padding:10px 15px; font-size:11px; }
#commentnavi a.page-numbers { padding:5px 7px; text-decoration:none; border:1px solid #EDEFF0; margin:0 -2px; }
#commentnavi a.page-numbers:hover { background:#F7F7F7; border:1px solid #CCC; text-decoration:none; }
#commentnavi span.pages { padding:0 7px 0 22px; background:url(img/icons.gif) 0 -272px no-repeat; height:16px; line-height:16px; float:left; }
#commentnavi span.current { background:#F7F7F7; padding:5px 7px; border:1px solid #F7F7F7; font-weight:bold; margin:0 -2px; }
#commentnavi #commentpager { line-height:16px; }
#submitbox a.feed { background:url(img/bg_rss2.gif) no-repeat; padding-left:22px; height:16px; line-height:16px; display:block; float:left; }
#submitbox #submit { padding:3px 6px; background:#fff; border:1px solid #000; color:#000; font-size:11px; cursor:pointer; }
#submitbox #submit:hover { color:#fa6ea5; }
#submitbox .submitbutton { float:right; }
#cp_post_id { display:none; }
/* comment END */