body{color:#000;}
a{color:#30F;
text-decoration:none}
#blast .rc_bc .bd a{color:#30F;}
#article_list_module .rc_bd .rc_bc .bd .main-bd .mod-alist .mod-alist-titlebar-1 a{color:#30F;}
#blog_title .bd{background:transparent; color:#000; }
#blog_title h2 { color:#30F;}
html
{background:#000000
url(http://c.uploadanh.com/upload/1/765/0.4360609_1_1.jpg) repeat-x
top;} body.blog_my, body.blog_my_index, body.comment_listing,
body.trackback_listing, body.blog_archives_folder,
body.blog_archives_date, body.blog_archives_all, body.post_rte,
body.post_doodle, body.guestbook, body.comment_list,
body.subscribe_list, body.post_gb, body.profile_view, body.gallery,
body.photo_big, body.slideshow, body.photo_upload_pc,
body.photo_upload_gallery {background:transparent
url(http://c.uploadanh.com/upload/1/765/0.4360610_1_1.jpg) bottom
repeat-x;}
.col-150 .rc_bd .rc_bc .hd .titlebar .hd,.col-150 .rc_bd .rc_bc .hd .titlebar{background:transparent;color:#30F;}
.col-600 .rc_bd .rc_bc .hd .titlebar .hd,.col-600 .rc_bd .rc_bc .hd .titlebar{background:transparent;color:#30F;}
.col-150 .rc_bd .rc_bc .hd .titlebar .hd h2, .col-150 .rc_bd .rc_bc .hd .titlebar .hd a{color:#30F;}
.row-920 .rc_bd .rc_bc .hd .titlebar .hd,.row-920 .rc_bd .rc_bc .hd .titlebar{background:transparent;color:#30F;}
.col-150 .rc_bd .rc_bc .bd {background:transparent;color:#000;}
.col-600 .rc_bd .rc_bc .bd {background:transparent;color:#000;}
.row-920 .rc_bd .rc_bc .bd {background:transparent;color:#000;}

#blog_masshead .rc{background:transparent;}
#blog_masshead .rc div{background:transparent;}
#blog_masshead .rc_bd{background:transparent;}
#blog_masshead .rc_bc{background:transparent;}
#blog_masshead .rc_ft{background:transparent;}
#blog_masshead .rc_ft div{background:transparent;}
#blog_masshead .bd{background:transparent;}
#blog_masshead{background:transparent;}#blast .rc_bc .bd{background:transparent;}
#blast .rc_ft, #blast .rc_ft div{background:transparent no-repeat left top;}
#blast .rc div {background:transparent;}
#blast .rc {background:transparent;}
#blast .rc_bd div.rc_bc {background:transparent;}
#blast .rc_bd {background:transparent;}
#blast .rc_ft {background:transparent;}
#blast .rc_ft div {background:transparent;}
.cmt-mod-alist #comments-listing .extend-hd, .cmt-mod-alist #comments-listing .extend-bd .alist-comment {background:none;}
.mod-alist-summary .pagination, .mod-alist-full .pagination{background:transparent;}
#mod_lifeline div.bd, #mod_lifeline div.rc_bc {background:transparent!important;}
photo_highlight .ft {background:transparent;}

#friend-list
.rc div, #friendlist_module .rc div, .rc div, #subscribe_highlight .rc
div, #mod-tagged-frd-article .rc div {background:transparent
url(http://files.myopera.com/chipprosao/borderplus/white/border.png)
repeat-x right bottom;}
#friend-list .rc, #friendlist_module .rc, .rc, #subscribe_highlight .rc, #mod-tagged-frd-article .rc {background:transparent;}
#friend-list
.rc_bd div.rc_bc, #friendlist_module .rc_bd div.rc_bc, .rc_bd
div.rc_bc, #subscribe_highlight .rc_bd div.rc_bc,
#mod-tagged-frd-article .rc_bd div.rc_bc {background:transparent
url(http://files.myopera.com/chipprosao/borderplus/white/border_2.png)
repeat-y right top;}
#friend-list .rc_bd, #friendlist_module .rc_bd,
.rc_bd, #subscribe_highlight .rc_bd, #mod-tagged-frd-article .rc_bd
{background:transparent
url(http://files.myopera.com/chipprosao/borderplus/white/border_2.png)
repeat-y left top;}
#friend-list .rc_ft div, #friendlist_module
.rc_ft div, .rc_ft div, #subscribe_highlight .rc_ft div,
#mod-tagged-frd-article .rc_ft div {background:transparent
url(http://files.myopera.com/chipprosao/borderplus/white/border.png)
repeat-x right top;}
#friend-list .rc_ft, #friendlist_module .rc_ft,
.rc_ft, #subscribe_highlight .rc_ft, #mod-tagged-frd-article .rc_ft
{background:transparent;}
#mod_lifeline div.rc_bc {background:transparent;}


#blog_masshead
.bd form, #blog_masshead .bd form select, #blog_masshead .bd form
input.ipt, #blog_masshead .bd form .btn, #blog_masshead .bd form
div.nselect, #blog_masshead .bd form div.nselect span, #blog_masshead
.bd form div.nselect img, #blog_masshead .bd form div.op_container,
#blog_masshead .bd form .options_out, form div.op_container div,
#blog_masshead .bd form .options_over, form div.op_container div:hover,
.blog_dummyselect, .blog_dummyselect .hd, .blog_dummyselect .hd span,
.blog_dummyselect .hd img, .blog_dummyselect .bd, .blog_dummyselect .bd
div, .blog_dummyselect .bd div:hover {
background:transparent none repeat scroll 0 0;border-color:Transparent;font-size:0;height:0;}
.mod-alist-brief .pagination a, .mod-alist-summary .pagination a, .mod-alist-full .pagination a, .mod-alist-pagination a {
color:#000;}
.mod-alist-full .comment-more li a {
color:#000;}
.mod-alist-full .main-hd h1 a{
color:#000;}
copy dòng này vào CSS

Muốn vào đc CSS Ta vào Blog của tui => Đổi Theme => Chọn Theme tự tạo => copy dòng trên vào CSS