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