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