Помогите кто понимает в CSS на ucoz.ru

/* Stylesheet 1 -------------------------------*/

body { margin:0; font:12px Tahoma; color:#ffffff; background:url(../images/bg1.jpg) 50% 0 #000000 repeat-x; }
.clear { clear:both}
#ev_bg { background:url(../images/ev_bg.gif) repeat-y; width:1000px; margin:0px auto; }
#everything { width:1000px; background:url(../images/parchment-light2.jpg); }

#header { height:162px; background:url(../images/header.jpg) right no-repeat; padding:0 20px; }
#header h1 { padding-top:115px; margin:0; color:#ffffff; }

#middle { clear:both; background:url(../images/border2_red.gif) repeat-x; padding:20px 10px; }

#left_column { width:195px; float:left; margin-left:5px }
.horizontal #left_column { width:auto; float:none; }
#navigation a { background:url(../images/button1_bg.gif) no-repeat; width:170px; height:25px; display:block; padding-left:25px; margin:5px 0;
font-size:13px; color:#000000; text-decoration:none; line-height:22px;}
#navigation a:hover { background-position:0 bottom; }
.horizontal #navigation a { float:left; }
#more_information { padding-top:15px;}

#middle_column { float:left; width:50%; margin:0px 15px; }
#middle_column.two_column { float:left; width:75%; }
.horizontal #middle_column { width:auto; float:none; }
.date_break { font-size:19px; border-bottom:1px solid #7A0C0C; margin-bottom:10px; }
.post { background:url(../images/parchment-light3.jpg); border:1px solid #545454; margin-bottom:35px; line-height:18px; }
.post h1 { background:#7A0C0C; padding:2px 10px; margin:0; font-size:15px; color:white;}
.post_body { padding:5px 15px; }
.post .postedby { float:left; clear:both; }
.post .timestamp { float:right }

ul { margin:20px; padding:10px; }
li { list-style:none; background:url(../images/bullet.gif) 0 8px no-repeat; padding-left:30px; line-height:25px; }
.list_left, .list_right { width:48%; float:left }

.post_info { clear:both; padding-top:10px; }

#right_column { width:26%; float:left; }
.box { background:url(../images/parchment-light3.jpg); border:1px solid #545454; margin:10px 0 25px 0; padding:10px; }

#footer { clear:both; padding:20px }
#subnav { margin:10px 0;}
#subnav a { color:#7A0C0C; }
#subnav a:hover { color:#E51414 }
.copyright { font-size:10px;}
Помогите! исправьте если что не так