Collapsible Panels/Regions
78103
Allow folding/collapsing of certain segments of posts
1207
Rounded corner, rectangle buttons
136332
Android: Expand/collapse animation
145427
Determine if a set of tiles on a grid forms an enclosed shape
77926
How do I avoid selection box shrinkage when working with transparent layers?
2658
How to make a layer or group invisible in the Layers Panel?
140555
Collapsible List Item in navigation Drawer
21856
Nested Scroll Areas
108933
Rstudio shiny collapsible sidePanel
79869
Semi-transparent custom layout panel
59637
How do I read manga with multiple panels?
113414
Where is the Layers panel in Blender 2.8?
84261
Multiple panel figure, with caption in one of the panels?
141782
Grid of responsive squares
122824
How to add a custom panel to particle properties?
85258
How to create an "area of interest" polygon mask?
84360
random placement of rectangles with no overlaps