How to remove padding from select in firefox?

Question

css

I recently started learning css, I'm trying to master the layout. This time I ran into a problem, the select form in firefox, when setting styles, has an indent, which is not in microsoft edge, ie, chrome.
codepen.io/rngtnA/pen/qawAkQ
Ps ignore the rest of the crooked code

Answer 1

vertical-align: top;
Append to input which is next to select?