Element block pseudo-class :active generated with background text-shadow 1px 1px 1px rgba(0,0,0,0.2) padding 20px border 0px rgba(0,0,0,1) solid z-index auto cursor default transition line-height 1 float none margin 0px font-weight normal transform display block font-size 16px position static box-sizing content-box border-radius overflow hidden height 50px width 50px box-shadow 1px 1px 1px rgba(0,0,0,0.3)