#forma
{
    border: solid 0px black; 
    width: 1080px;
     margin: 0px auto;
    }

#banner-encabezado
{
    background-color:#2E61AB; 
    border: solid 0px #2E61AB;
    color: #FFFFFF; 
    height: 80px;  
    vertical-align: middle;
    text-align:center;
    margin-bottom:5px;
    }
    
#encabezado
{
    width:100%;
    margin-bottom:10px;
    }

#contenedor
{
    top:10 auto;
    margin: 0 auto;
    text-align:center;
    width:1080px;
    }
    

.txtCent
{
    text-align:center;
    }

.label
{
    font-family: Arial;
    font-size:small;
    color:Gray;
    text-align:right;
    }
.izquierda
{
    text-align:left;
    }
.derecha
{
    text-align:right;
    }
#lblRespuesta
{
    font-family:Arial;
    font-size:small;
    color:Red;
    }
      
.centrado
{
   position: absolute;
   top: 200px; left: 50%;
   transform: translate(-50%, -0%); 
   -webkit-transform: translate(-50%, -0%); 

    }