// reset summernote styles  
.note > .note-editor
{
  @padding-left: 14px;

  font-family: 'Helvetica Neue', 'Arial', 'Courier New', 'Lucida Sans', 'Tahoma';
  border: none;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  margin-bottom: 0;
  min-width: 0;
  font-weight: normal;

  .note-toolbar
  {
    background: white !important;
    border-bottom: 1px solid @border-color;
    padding: 0 @padding-left;

    button
    {
      border: none !important;
    }
  }

  .note-title
  {
    border: none;
    font-size: 18px;
    font-weight: normal;
    padding: 8px @padding-left 8px @padding-left;
    outline: none;
  }

  .note-editing-area
  {
    flex-grow: 1;
    display: flex;
    overflow-x: scroll;
    overflow-y: scroll;
    padding: 6px @padding-left;
    
    .note-editable
    {
      padding: 0;
    }
    
    .note-placeholder
    {
      padding: 0;
    }
  }
}

// reset summernote styles  
.note > .note-editor
{
  @padding-left: 14px;

  font-family: 'Helvetica Neue', 'Arial', 'Courier New', 'Lucida Sans', 'Tahoma';
  border: none;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  margin-bottom: 0;
  min-width: 0;
  font-weight: normal;

  .note-toolbar
  {
    background: white !important;
    border-bottom: 1px solid @border-color;
    padding: 0 @padding-left;

    button
    {
      border: none !important;
    }
  }

  .note-title
  {
    border: none;
    font-size: 18px;
    font-weight: normal;
    padding: 8px @padding-left 8px @padding-left;
    outline: none;
  }

  .note-editing-area
  {
    flex-grow: 1;
    display: flex;
    overflow-x: scroll;
    overflow-y: scroll;
    padding: 6px @padding-left;

    .note-editable
    {
      min-width: 1px;
      padding: 0;
    }

    .note-placeholder
    {
      padding: 0;
    }
  }
}

Fix bug, set min width of editing area
Fix bug, set min width of editing area
