Element button pseudo-element :before generated with width auto transition border 4px #018dc4 solid transform display inline-block padding 20px z-index auto border-radius overflow visible position static float none font-size 16px height auto cursor pointer background box-sizing content-box font-weight normal box-shadow 3px 3px 4px rgba(0,0,0,0.4) margin 0px text-shadow 0px 0px 9px rgba(20,255,20,0.7) line-height normal