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