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