.fab-menu-button { transition: transform 0.3s ease-in-out, box-shadow 0.3s ease; }
.fab-menu-button.active { transform: rotate(45deg); }
.fab-menu-items { transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease; transform-origin: bottom center; }
.fab-menu-item { transition: transform 0.3s ease, opacity 0.3s ease; }