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