message: remove background on sticky headers
diff: @@ -54,9 +54,6 @@ limitations under the License.
  max-width: 100%;
  z-index: 2; // Prioritize headers in the visible list over sticky ones
  - // Set the same background color as the room list for sticky headers
  - background-color: $roomlist2-bg-color;
  -
  // Create a flexbox to make ordering easy
  display: flex;
  align-items: center;
  