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