.formulario
    {
    margin:10px; padding: 0 5px;
	border: 1px solid #f2f2f2; 
	background-color: #FAFAFA;
	color:Gray;   	
    }    

.cuerpo 
    {
    margin-right:0px;
    margin-left:0px;
    margin-top:0px;
    margin-bottom:0px;
    background-color:Black;
    width:100%;
    height:100%;
    text-align:center;
    
    }