#corpo {
position: absolute;
top: 2%;
left: 2%;
}

#footer {
position: absolute;
bottom: 20px;
left: 50%;
margin:      -0px 0 0 -326px;
}
#header{
position: absolute;
top: 5px;
left: 5px;

}

#corpo2 {
position: absolute;
top: 2%;
left: 50%;
margin:      0 0 0 -415px;
}