.speech-bubble-left{position:relative}.speech-bubble-left:before{content:"";position:absolute;left:-9px;top:10px;width:0;height:0;border:10px solid transparent;border-right-color:#f3f4f6;border-left:0}@media (min-width: 640px){.speech-bubble-left:before{left:-15px;top:15px;border-width:15px}}.speech-bubble-right{position:relative}.speech-bubble-right:before{content:"";position:absolute;right:-12px;top:12px;width:0;height:0;border:12px solid transparent;border-left-color:#f3f4f6;border-right:0}@media (min-width: 640px){.speech-bubble-right:before{right:-15px;top:15px;border-width:15px}}