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