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