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