.BtnEntrar {
    background-image: url('../../Imagenes/BtnAceptar.png');
    cursor: pointer;
    background-repeat: no-repeat;
    background-position: left;
    padding-left: 19px;
    border-right: #99ccff 1px solid;
    border-top: #99ccff 1px solid;
    border-left: #99ccff 1px solid;
    border-bottom: #99ccff 1px solid;
}