.AspNet-DataList-TablaPrincipal
{
    width:100%;
    padding-top:1em;
}
.AspNet-DataList-Caption
{
    text-align: center;
    vertical-align:baseline;
    background-color:#b8b8b8;
    color:#000;
    text-align: center;
    background-image: url(../Imagenes/FondoTabla.jpg);
    background-position:bottom;
    line-height:2.3em;
    border-top:0.1em solid #b8b8b8;
    border-left:0.1em solid #b8b8b8;
    border-right:0.1em solid #b8b8b8;
    border-bottom:0.1em solid #b8b8b8;
}