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