./*
 * Prevent the hidden Back to top control from blocking checkout buttons.
 * The !important declarations override template and Bootstrap rules.
 */
#back-to-top:not(.show) {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

#back-to-top.show {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
}