.container {
    margin-right: auto;
    margin-left: auto;
    padding-left: 15px;
    padding-right: 15px;
  }
  @media (min-width: 768px) {
    .container {
      width: 750px;
    }
  }
  @media (min-width: 992px) {
    .container {
      width: 970px;
    }
  }
  @media (min-width: 1200px) {
    .container {
      width: 1170px;
    }
  }
  .row {
    margin-left: -15px;
    margin-right: -15px;
  }
  .col-sm{
    position: relative;
    min-height: 1px;
    padding-left: 15px;
    padding-right: 15px;
  }
  @media print, screen and (min-width: 768px) {
    .col-sm{
      float: left;
      width: 33.33333333%;
    }
  }
  #banner_area {
    _background-color: #DCDCDC;
    padding: 15px 0;
  }
  #banner_area ul li {
    margin-bottom: 15px;
  }
  #banner_area ul li a {
    display: block;
    _border: solid 1px #B8B8B8;
    background: #fff;
  }
  #banner_area ul li a img {
    width: 100%;
  }
  #banner_area ul li a:hover img {
    opacity: 0.8;
  }