header 
{
    display:table-header-group;      
}

article
{
    display:table-row-group;       
}

footer 
{
    display:table-footer-group;    
}

header .cell, footer .cell 
{
    height: 1px;     
}

.cell
{
    display: table-cell;   
     
    /*padding: 0;*/
    /*padding: 0 1em; */   
}

aside {
    margin: -30px 0 0 0; height: 360px; width: 200px;
}