Element block pseudo-class :active generated with z-index auto height auto border-radius cursor default text-shadow 1px 1px 1px rgba(0,0,0,0.2) font-weight normal padding 250px overflow hidden box-shadow 1px 1px 1px rgba(0,0,0,0.3) transform display block position static box-sizing content-box line-height 1 border 1px rgba(0,0,0,1) solid background font-size 16px float none transition width 160px margin auto