Element block pseudo-class :active generated with margin 0px box-sizing content-box position static width 160px background transform float none border 0px rgba(0,0,0,1) solid border-radius cursor default line-height 1 z-index auto transition font-size 16px padding 20px font-weight normal overflow hidden display block height auto box-shadow 1px 1px 1px rgba(33,3,3,0.3) text-shadow 1px 1px 1px rgba(0,0,0,0.2)