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