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