How to make round buttons?

Question

css

Why do buttons creep and how to deal with them?
https://codepen.io/anon/pen/KQOOMB

Answer 1

Here is the solution for you wrap the image in a div and see the properties of the div

Answer 2

• or use icons with 1:1 aspect ratio
  PS: icons with pictures are a crime against logic. Make it a sprite or even an icon font or just take it ready: https://fontawesome.com/

Answer 3

Make sure the width and height are the same. don't use pictures. Better icons and apply styles to them

Answer 4

To be round, the height must be equal to the width. like this