.jianjie { width: 650px; margin: 0 auto; } .jianjie p { text-indent: 2em; line-height: 25px; } .jianjie p strong { font-size: 18px; color: #C30; } .bnm td { border: 1px solid #d2d2d2; line-height: 20px; padding: 5px; }