.message-preview{display:-webkit-box;overflow:hidden;text-overflow:ellipsis;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.5;max-height:3em;white-space:pre-wrap;word-break:break-word}[dir] .message-preview{cursor:pointer}.message-detail-content{white-space:pre-wrap;word-break:break-word;line-height:1.6}