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