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