validator hataları için yardım

merhaba arkadaşlar css kodlarım bunlar tüm kodu validator a atın ve hataları görün sebebi nedir acaba ?
teşekkürler



body{margin: 0 auto; background-color: #9ee0ea}
#ust_header{
width: 1000px;
height: auto;
margin: auto;}
#contact{
width: 700px;
height: 40px;
background-color: #000;
float: right;}
#logo{
width: 300px;
height: 60px;
float: left;}
#logo h2,h2,h2{display: none;}
#menu{width: 642px; height: auto; background-color: #9ee0ea; float:right;}
#holder ul{
background:#fff;
list-style:none;
margin:0;
padding:0;
}
#holder ul li a{
width:76px;
float:left;
display:block;
text-decoration:none;
background-color: #fff;
font-family: Bahamas;
text-align:center;
color: #0e2946;
margin-right:1px;
padding:15px;
-webkit-border-top-left-radius:8px;
-webkit-border-top-right-radius:8px;
}
#holder ul li a:hover{background-color: #0e2946; color: #fff}
#holder ul li a#onlink{background-color: #0e2946; color: #fff}
#holder ul li a#onlink:hover{background-color: #fff;color:#0e2946}
#slider_menu{
background: url("../images/ios.jpg") repeat-x;
width: 980px;
height: 330px;
margin: auto;
padding: 10px;
-webkit-border-top-left-radius: 20px;
-moz-border-radius-topleft: 20px;
border-top-left-radius: 20px; }
#slider_sag{
background-color: #fff;
width: 350px;
height: 320px;
float: right;
margin-right: 6px;
overflow: auto;}
#slider_sag{
background-color: transparent;}
.slider_sag1{
color: #f86401;
font-family: HandelGothic BT;
font-size: 40px;
text-shadow: -3px -3px 3px #fff;
text-align: center;}
.slider_sag2{
color: #FF0000;
font-family: Formal436 BT;
font-size: 48px;
text-shadow: -3px -3px 3px #fff;
text-align: center;}
.slider_sag2 strong{
color: #33CC00;}
.slider_sag3{
color: #fff;
font-family: Futura XBlkIt BT;
font-size: 36px;
text-shadow: -3px -3px 3px #FF0000;
text-align: center;}
ul#rsm_yazi{
margin-left: 70px;
margin-top: 10px;
margin-bottom: 12px;}
ul#rsm_yazi li{
list-style-type: none;
list-style-image: url("../images/ok.png");
color: #fff;
font:12px Thoma;}
#button1{
margin-left: 70px;
margin-top: 20px;}
#button {width :259px; height: 53px; background: url("../images/button.png"); overflow: hidden}
ul,li {padding: 0; margin: 0; list-style-type: none}:focus {outline: 0}
#button li{float: left}
#button li a{display: block; height: 50px; text-indent: -9999px}
#button li a:hover {background: url("../images/button.png")}
#button li.b1 a {width: 259px}
#button li.b1 a:hover {background-position: 0 -53px}

#slider_sol{width:590px;height:280px;overflow:hidd en;position:relative;margin-top: 18px; margin-left: 10px;}
#slider{width:2950px;height:280px;position:absolut e;top:0px;left:0px;}

pm gönderdim.