#preloader {
    width:100%;
    height:100%;
    position: fixed;
    top:0;
    background-color: rgb(255, 255, 255);
    z-index:100;
    transition:0.5s;
    text-align:center;
}

#preloader img {
    width:80%;
}

#preloader div {
    position: relative;
    margin: auto;
    top: 50%;
    width: 200px;
    transform: translateY(-50%);
    overflow: hidden;

}

#preloader div>div {
    margin:30px 0;
    height:1px;
    background-color: rgb(224, 224, 224);
    position: relative;
    overflow: initial;
}

#preloader div>div>span {
    position:absolute;
    top:-2px;
    width:50px;
    height: 5px;
    background-color:black;
    opacity:0;

    animation: loading 2s infinite linear;
}
    


@keyframes loading {

    0% {
        left:0px;
        visibility:visible;
        opacity: 0;
    }

    30% {
        left:0px;
        visibility:visible;
        opacity: 1;
    }

    80% {
        left:250px;
        visibility:hidden;
        opacity: 1;
    }

    90% {
        left:250px;
        visibility:hidden;
    }

    100% {
        left:-50px;
        visibility:hidden;
        opacity: 0;
    }
}