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