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