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