gitlabhq/app/assets/stylesheets/sections/wall.scss

.wall-page {
  .new_note {
    @extend .span12;

    margin: 0;
    height: 140px;
    background: #F9F9F9;
    position: fixed;
    bottom: 0px;
    padding: 3px;
    padding-bottom: 25px;
    border: 1px solid #DDD;
  }

  .notes {
    margin-bottom: 160px;

    .wall-author {
      color: #666;
      margin-right: 10px;
      border-right: 1px solid #CCC;
      padding-right: 5px
    }

    .wall-file {
      float: right;
    }
  }
}