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