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