body {
background:url(../img/backtop.jpg) repeat-x center top;
font-family:Arial;  
}
img {
    border:0px solid black
}
ul#menu {
    list-style:none;
    width:900px;
    border: 0px solid red;
    margin-top:-10px;
}
ul#menu li {
float:left;
}
ul#menu li a {
display:block;
height:81px;
position:relative;
}
ul#menu li a.logo {
background:url(../img/sprite-logo.png) no-repeat scroll top left;
width:159px;
}
ul#menu li a.logo span {
background:url(../img/sprite-logo.png) no-repeat scroll bottom left;
background-position:0px -81px;
}
ul#menu li a.sp {
background:url(../img/) no-repeat scroll top left;
width:389px;
}
ul#menu li a.sp span {
background:url(../img/) no-repeat scroll bottom left;
background-position:0px -81px;
}
ul#menu li a.inicio {
background:url(../img/sprite-inicio.png) no-repeat scroll top left;
width:109px;
}
ul#menu li a.inicio span {
background:url(../img/sprite-inicio.png) no-repeat scroll bottom left;
background-position:0px -81px;
}
ul#menu li a.trabajos {
background:url(../img/sprite-trabajos.png) no-repeat scroll top left;
width:109px;
}
ul#menu li a.trabajos span {
background:url(../img/sprite-trabajos.png) no-repeat scroll bottom left;
background-position:0px -81px;
}
ul#menu li a.contacto {
background:url(../img/sprite-contacto.png) no-repeat scroll top left;
width:109px;
}
ul#menu li a.contacto span {
background:url(../img/sprite-contacto.png) no-repeat scroll bottom left;
background-position:0px -81px;
}
ul#menu li a span {
display:block;
position:absolute;
top:0;
left:0;
height:100%;
width:100%;
z-index:100;
}
ul#menu li a span:hover {
cursor:pointer;
}
#bg {
    background:url(../img/bg-content.png) center top no-repeat;
    position:relative;
    top:81px;
    left:0px;
    text-align:center;
    width:1000px;
}
#content {
    border:2px solid #e2edfd;
    background:url(../img/html.jpg) no-repeat top left;
    width:880px;
    height:500px;
}
#laterali a#cab{
    color:#222;
    width:150px;
    text-align:center;
    border:0px;
    font-weight:bold;
    font-size:14px;  
    background:url(../img/top-menu.png);
}
#laterali a:hover#cab{
    cursor:default;
}
#laterali a {
    color:#333333;
    text-decoration:none;
    border-left:1px solid #c2dcec;
    border-right:1px solid #c2dcec;
    text-align:left;
    background:#ecf3f5;
    display:block;
    width:148px;
    height:20px;
}
#laterali a:hover {
    background:#d0e6ee;
}
#later{
    height:60px;
    color:#333333;
    text-decoration:none;
    border-left:1px solid #c2dcec;
    border-right:1px solid #c2dcec;
    text-align:left;
    background:#ecf3f5;
    display:block;
    width:148px;
}
#laterali {
    width:150px;
    text-align:left;
    border-bottom:0px solid #000;
    color:#FFF;
    font-size:12px;
}
#tab {
    background:url(../img/bg-tab-center.png) top left;
    color:#888888;
    width:690px;
    height:300px;
    padding-left: 10px;
    text-align:left;
}