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