#xmas-canvas {
    background-image: url("https://oltukstorage1.blob.core.windows.net/images/christmas2018.jpg");
    background-position: center center;
    background-repeat: repeat;
    background-size: cover;
    position: fixed;
    height: 100vh;
    width: 100%;
    z-index: -1;
}

body {
    background-color: transparent !important;
}