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