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