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