.message-item{margin:10px 0;box-sizing:border-box;display:-ms-flexbox;display:flex;-ms-flex-direction:column;flex-direction:column}.message-item.self{-ms-flex-align:end;align-items:flex-end}.message-item.other{-ms-flex-align:start;align-items:flex-start}.message-content{display:inline-block;padding:10px;word-break:break-all;max-width:100%}.message-item.self .message-content{background:#e6f7ff;border-radius:10px}.message-item.other .message-content{background:#f5f5f5;border-radius:10px}.message-item .header,.message-item .timestamp{text-align:right}.message-item.other .header,.message-item.other .timestamp{text-align:left}.images img{width:100px;height:auto;margin:5px}.message-item .header{font-weight:700;margin:0 20px}.timestamp{color:#999}