I love Sketch, it's a great Fireworks replacement. A few tips: ⌘ + cursor right or down: nudge width/height in preferences you can set it to zoom into selecti

I love Sketch, it's a great Fireworks replacement. A few tips: ⌘ + cursor right or down: nudge width/height in preferences you can set it to zoom into selection, which I prefer when elements are grouped, hold ⌘ to select elements in the group directly right click a layer and select mask - this will mask any layers above it. If it's in a group it will only affect the elements in the group