Element block pseudo-class :active generated with float none overflow hidden transition border 1px rgba(221,221,221,1) solid position static width 160px padding 20px font-size 16px box-sizing content-box border-radius margin 0px transform display block box-shadow 0px 1px 1px rgba(0,0,0,0.2) text-shadow height auto cursor default background z-index auto line-height 1 font-weight normal