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