.preloader{
    position: fixed;
    width: 100vw;
    height: 100vh;
    background-color: white;
    z-index: 9999999;
}

.preloader_svg {
    stroke: none;
    fill: none;
    display: none;
    position: absolute;
}

.preloader_canvas {
    position: absolute;
    display: block;
    margin: -100px -100px;
    top: 50%;
    left: 50%;
    z-index: 99999999;
}