.close-button { display: flex; align-items: center; justify-content: center; position: var(--position, absolute); top: var(--top, 20px); right: var(--right, 20px); z-index: 2; cursor: pointer; color: var(--closeButtonColor, #fff); width: var(--closeButtonSize, 40px); height: var(--closeButtonSize, 40px); border-radius: var(--closeButtonRadius, 7px); background: var(--closeButtonBackground, rgba(0, 0, 0, 0.5)); .closed { opacity: 0.7; transition: opacity 0.2s ease-out, transform 0.2s ease-out; span { --ty: 0; background: transparent; &:before { --rotate: 45deg; } &:after { --rotate: -45deg; } } } &:hover { .closed { opacity: 1; transform: rotate(90deg); } } }