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