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