When the window gets narrow, the left sidebar gets compressed nonoptimally, with the "n-generator" labels going over 2 lines and the generator preview boxes getting squeezed. This should not happen -- I propose that when the window gets narrow, the main part of the display goes to 0 width, and then we just get a horizontal scrollbar to let us see the remaining two sidebars.
bcf0f6413f8447381b77708fb2ffbf91dd158119 makes the bars resist compression. In total, we should think about how the UI should work on smaller screens, such as tablets.
When the window gets narrow, the left sidebar gets compressed nonoptimally, with the "n-generator" labels going over 2 lines and the generator preview boxes getting squeezed. This should not happen -- I propose that when the window gets narrow, the main part of the display goes to 0 width, and then we just get a horizontal scrollbar to let us see the remaining two sidebars.