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