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