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