.hover-button
{
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 5rem;
    height: 5rem;
    border-radius: 50%;
    background-color: var(--color-secondary);
    color: var(--color-action);
    box-shadow: 0 0 1rem #00000073;
    text-align: center;
}
.hover-button span
{
    line-height: 5rem;
    font-weight: bold;
    font-size: 4rem;
}
.hover-button:active
{
    background-color: var(--color-secondary-accent);
    color: var(--color-secondary);
    box-shadow: 0 0 1rem #00000073;
}