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