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