#main {
    width:1000px;
    margin:0 auto;
    position:relative;
}

#header {
    height:359px;
    background:url(../imagens/header-bg.jpg) no-repeat left top;
}
#header, #content, #footer { 
    font-size:0.75em;
}

.col-1, .col-2, .col-3 {
    float:left;
}

/*======= home.html =======*/
#page1 #content .col-1 {
    width:280px;
    margin-right:40px;
}
#page1 #content .col-2 {
    width:280px;
    margin-right:40px;
}
#page1 #content .col-3 {
    width:280px;
}

/*======= about-us.html =======*/
#page2 #content .col-1 {
    width:600px;
    margin-right:40px;
}
#page2 #content .col-2 {
    width:280px;
}


/*=========================*/


#footer {
    height:90px;
    background:url(../imagens/footer-bg.jpg) no-repeat left top;
}