Element block pseudo-class :active generated with width auto font-size 16px position static opacity 1 box-sizing content-box float none z-index auto height auto border 0px rgba(0,0,0,1) solid text-shadow 1px 1px 2px rgba(0,0,0,0.5) padding 0px font-weight normal outline none box-shadow margin 0px display block cursor default border-radius overflow visible line-height normal transform transition background