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