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