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