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