a[href]:after{
    content:none !important;
}

#btnEliminar {
    display: none;
    visibility: hidden;
}

#divPeriodo {
    display: none;
    visibility: hidden;
}

#footer {
    display: none;
    visibility: hidden;
}

.col-sm-6 {
    width: 50%;
    float: left;
}