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