message: Fix CSS silliness
  Meant to replace the existing block rather than add another one
  with the same name! Also meant vw rather than width.
diff: @@ -41,13 +41,10 @@ limitations under the License.
  margin-top: 16px;
  margin-bottom: 24px;
  }
  - .mx_Dialog_fixedWidth {
  - width: 100%;
  - }
  .mx_Dialog_fixedWidth {
  max-width: 1000px;
  - width: 90%;
  + width: 90vw;
  }
  }
  }
  