#header{
width: auto;
}
#headerCent{
width:980px;
margin:15px auto 0 auto;
}
#content{
background: transparent url(none) repeat-x;
clear:both;
width:100%;
}
#contentCent{
clear:both;
width:940px;
margin:0px auto;
background: white url(none) repeat-x;
color:black;
padding:50px 20px;
}
#footer{
background: transparent url(none) repeat-x;
}
#footerCent{
background: transparent url(../images/footer.gif) no-repeat;
width:940px;
margin:0px auto;
color:#000;
padding:10px 20px 10px 20px;
color:white;
height: 72px
}

/** 
*  div dentro de content footer o header con width 960px y padding 20px
**/
.div1{height:235px;}