header, nav, main, footer { 
    display: block; 
    width: 1078px; 
}  

body { 
    color: #ffffff; 
    background-color:#000000; 
} 

div {
    width: 1078px; 
    height: 100px;
} 

body { 
    margin: 0px; 
    text-align: center; 
}

#container { 
    position: relative; 
    margin: auto; 
    width: 1078px; 
    height: auto;
    overflow: hidden; 
    border: 1px solid #ffffff; 
}