Icon misaligned vertically in icon button

[ivan7237d]

Looking at the demo page, if you add background colors and remove border-radius, the icon button will look like this:

The icon is very slightly below where it should be. Here's what it looks like if you correct this, for example by using "vertical-align: top; margin-top: 12px" instead of the current "vertical-align: middle":

In itself not much of a problem, but I ran into this when in my app I overrode the size of the button to be smaller, and then the misalignment became clearly visible.

[ivan7237d]

And the same issue for FAB:

Demo page:

Should be: