.loading:before {
    content: "";
    z-index: 100000;
    background: rgba(0, 0, 0, 0.25);
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.form-control {
    border-radius: 0!important;
}