vertical-align are simple CSS properties. So simple that most of us are convinced to fully understand how they work and how to use them. But it’s not. They really are complex, maybe the hardest ones, as they have a major role in the creation of one of the less-known feature of CSS: inline formatting context.
... read the whole story at iamvdo.me.
line-height can be set as a length or a unitless value , but the default is
normal. OK, but what normal is? We often read that it is (or should be) 1, or maybe 1.2, even the CSS spec is unclear on that point. We know that unitless
font-size relative, but the problem is that