1 .bubble {2 margin: 50px;3 padding: 20px;4 position: relative;5 border-radius: 8px 8px 8px 8px;6 width: 200px;7 box-shadow: 0 0 10px gray;8 }9 10 .bubble:after {11 content: "";12 position: absolute;13 top: 100%;14 left: 20px;15 border-top: 20px solid blue;16 border-top-color: inherit;17 border-left: 20px solid transparent;18 border-right: 20px solid transparent;19 box-shadow: 0 0 10px gray;20 21 }22 Enlace
El enlace para compartir es: