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