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