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All Hn tags have no style at all; Bulma tells us to use its classes to define headers instead. This is plain dumb: there is simply no reason to break rendering of these tags just because you have another idea. It should be fixed by having the Hn tags expose the same styles using class='title is-2'. Or alternatively wrap the thing in a class="content". See the sillyness in https://github.com/jgthms/bulma/issues/433
Buttons
Buttons only work nice when used with font related icons. Buttons with an image inside render badly:
The colors used in button specification kind of suck. "is-white"?
Input controls
Input controls are defined as width: 100%, which results in a screen like this:
While perhaps acceptable on a phone this is bad for any ERP gui, because there is no relation between the #of characters that are needed and the size on the screen. It makes scanning the form very hard.
Inputs also render badly when not contained by some size-restricting container, and especially the has-addons thingy behaves oddly as this does not fill all horizontal space. To get it to do that you need to add is-fullwidth, apparently. This is very inconsistent.