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