This is a bit late and idk if you still want the bouncing code anymore but here
<style>
.col, main, footer, nav::before, .online, nav .links, nav .top {
animation: float 4s;
animation-iteration-count: infinite;
animation-timing-function: ease-in-out;
}
.col, main, footer, nav::before, .online, nav .links, nav .top {
animation: float 4s;
animation-iteration-count: infinite;
animation-timing-function: ease-in-out;
}
@keyframes float {
0% {
transform: translate(0, 0px);
}
50% {
transform: translate(0, 8px);
}
100% {
transform: translate(0, -0px);
}
}
.table-section:nth-last-child(1) {
 display: none;
}
</style>