lign: center;
      }

      .left {
        text-align: center;
      }

      div.demonstration {
        padding-left: 10px;
      }

      div.features {
        padding-left: 10px;
      }
    }

    .push-down {
      margin-top: 50px;
    }

    .push-down-more {
      margin-top: 70px;
    }

    .push-down-less {
      margin-top: 30px;
    }

    .navbar-default {
      background: rgb(231, 231, 231);
      border-color: rgb(231, 231, 231);
      border-radius: 0;
    }

    p.version {
      colo