Cleaning up a sass file

1-before.css.scss

#report-summary {
  .clear { clear: both; }

  border: 1px solid #ddd;
  border-radius: 5px;
  padding: 10px;
  
  .summary-report {

  }

  .main-header {
    text-decoration: underline;
  }

  #oldest-review-summary {
    .review-row {
      padding: 10px;

      .cell {
        float: left;
        width: 33%;
      }
      .excerpt {
      }

      .title {
      }

      .reviews-count {
      }
    }
  }

  #trend-summary {
    margin-left: 25px;

    .score-row {
      padding: 4px 0;

      .title {
        float: left;
        width: 70%;
      }

      .score-change {
        float: left;
      }
    }

    #goolgle-plus-score {
      float: left;
      width: 50%;
    }

    #reputation-score {
      float: left;
      width: 50%;
    }
  }

  #review-summary {
    table { 
      width: 80%; 
      margin-left: 10%;

      th { background: #ccc; }
      td { background: #eee; }
    }
  }

  #review-excerpts {
    .review-row {
      padding: 10px;

      .cell {
        float: left;
        display: inline-block;
      }
      .excerpt {
        width: 55%
      }

      .title {
        width: 25%;
      }

      .reviews-count {
        widht: 20%
      }
    }
  }
}

2-after.css.scss

#report-summary {
  .clear { clear: both; }

  #report-header { text-align: center; }

  border: 1px solid #ddd;
  border-radius: 5px;
  padding: 10px;

  .main-header {
    text-decoration: underline;
  }

  #trend-summary {
    margin-left: 25px;

    .score-row {
      padding: 4px 0;

      .title { float: left; width: 70%; }
      .score-change { float: left; }
    }

    #google-plus-score { float: left; width: 50%; }
    #reputation-score { float: left; width: 50%; }
  }

  #review-summary {
    table { 
      width: 80%; 
      margin-left: 10%;

      th { background: #ccc; text-align: center; }
      td { background: #eee; text-align: center; }
    }

    #review-excerpts {
      .review-row {
        padding: 10px;

        .cell { float: left; display: inline-block; }
        .excerpt { width: 55% }
        .title { width: 25%; }
        .reviews-count { width: 20% }
      }
    }
  }

  #oldest-review-summary {
    .review-row {
      padding: 10px;

      .cell { float: left; width: 33%; }
    }
  }

  #social-summary {
    /* under construction */
  }

}