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