#preloader {
    background: #101010 ;
    width: 100%;
    height: 100vh;
    position: fixed;
    top: 0;
    z-index: 100;
}

#preloader-icon {
    width: 0;
    height: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: loading 2.5s ease-in-out infinite;
}

@keyframes loading {
    0%{
        width: 50px;
    }
    50%{
        width: 100px;
    }
    100%{
        width: 50px;
    }
}