Element button pseudo-element :before generated with padding 20px line-height 1 float none font-weight normal height auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto transform display block border-radius cursor default width 160px box-sizing content-box transition border 0px rgba(0,0,0,1) solid margin 0px font-size 16px overflow hidden background box-shadow 1px 1px 1px rgba(0,0,0,0.3) position static