html,body{height:100%;overflow:hidden}#message-thread{max-width:900px;margin:0 auto}.message-row{display:flex;margin-bottom:12px}.message-row.inbound{justify-content:flex-start}.message-row.outbound{justify-content:flex-end}.chat-bubble{display:inline-block;max-width:60%;padding:10px 14px;border-radius:18px;font-size:14px;white-space:pre-wrap;word-break:break-word}.chat-bubble.inbound{background:#f1f3f5;color:#111}.chat-bubble.outbound{background:#25d366;color:#fff}