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