div.flip {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
}

div.rotate {
    writing-mode: vertical-rl;
    transform-origin: bottom left;
    transform: rotate(45deg);
}

@media (max-width: 767.98px) {
    .large {
        display: none !important;
    }
}

@media (min-width: 768px) {
    .small {
        display: none !important;
    }
}