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