.background-slide
{
    background: url("https://theta-dottrina.neocities.org/changelog_backdrop.png") repeat;
    width: 999999px;
    height: 999999px;
    animation: slide 1s linear infinite;
    position: fixed;
    z-index: -10;
    font-family: 'Monochromads'
}

@keyframes slide 
{
    0% 
    {
        transform: translate3d(-10px, -20px, 0);
    }
    100% 
    {
        transform: translate3d(-10px, -20px, 0);
    }
}