.bbs {
    text-align: left;
    background-color: #668B8B;
    color: white;
  }

.title {
    text-align: center;
    background-color: antiquewhite;
    font-size: 25px;
    font-weight: bold;
  }

  .content {
    margin-top: 20px;
    margin-bottom: 20px;
    margin-left: 100px;
    margin-right: 100px;
  }