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