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