Element block pseudo-element :before generated with overflow hidden font-size 18px text-shadow 1px 1px 1px rgba(0,0,0,0.2) height auto border-radius cursor default border 17px rgba(0,0,0,1) solid background padding 20px transition display block width 160px position static float none line-height 1 font-weight normal transform z-index auto box-sizing content-box margin 0px box-shadow 1px 1px 1px rgba(0,0,0,0.3)