.slideupfast {
	animation: slideup 50s linear infinite;
}

@keyframes slideup {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-35%);
    }
    100% {
        transform: translateY(-76%);
    }
}
.slideupslow{
	animation: slideup 90s linear infinite;
}
.slidedown{
	animation: slidedown 70s linear infinite;
}
@keyframes slidedown {
    0% {
        transform: translateY(-76%);
    }
    50% {
        transform: translateY(-35%);
    }
    100% {
        transform: translateY(0);
    }
}