.root { --custom-emoji-size: 2.25rem; cursor: var(--custom-cursor, pointer); display: inline-block; width: var(--custom-emoji-size); height: var(--custom-emoji-size); border-radius: var(--border-radius-messages-small); background: transparent no-repeat center; background-size: contain; transition: background-color 0.15s ease, opacity 0.3s ease !important; position: relative; &.selected, &:hover { background-color: var(--color-interactive-element-hover); } }