#gumsup-splash-screen {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #f6f6f6;
    z-index: 99999;
    pointer-events: none;
}

#gumsup-splash-screen > .wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}