#system-demo-title {
    font-size: calc(10vmin + (100 - 10) * (100vw - 400px) / (1400 - 400));
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translateX(-50%) translateY(-50%) rotate(-45deg);
    opacity: 0;
    word-break: break-all;
    padding: 0;
    margin: 0;
    text-transform: uppercase;
    text-align: center;
    pointer-events: none;
    z-index: 9999;
    line-height: 1;
    animation: gradient linear 500ms 1s forwards;
    font-weight: 800;
}
@media (max-width: 400px){
    #system-demo-title {
        font-size: 50px;
    }
}
@keyframes gradient {
    from {
        opacity: 0;
    }
    to {
        opacity: 0.1;
    }
}