.action-button { background-color: transparent; color: currentColor; border-radius: 48px; transition: background-color 0.2s ease, opacity 0.2s ease; } .action-button:hover { background-color: var(--joplin-background-color-hover3); } .action-button.-icon { width: 48px; height: 48px; } .action-button > .icon { vertical-align: middle; }