#header{
background: transparent url(images/back-header.jpg) repeat-x;
width: auto;
height: 163px;
padding-top: 20px;
}
#headerCent{
background: transparent url(images/back-header-cent.jpg) no-repeat;
width:980px;
padding:0px;
margin:0px auto;
height: 163px;
}
#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:20px 20px 40px 20px;
}
#footer{
background: transparent url(none) repeat-x;
}
#footerCent{
background: black url(images/back-footer.jpg) no-repeat;
width:940px;
margin:0px auto;
color:#000;
padding:20px;
color:white;
height: 94px;
}

/** 
*  div dentro de content footer o header con width 960px y padding 20px
**/
.div1{height:42px;background-color:black;color:white;padding-top:2px;}