message: Fix CSS syntax errors preventing offline member opacity from working
  Fixes
diff: @@ -92,19 +92,19 @@ limitations under the License.
  .mx_EntityTile_unavailable .mx_EntityTile_avatar,
  .mx_EntityTile_unavailable .mx_EntityTile_name,
  .mx_EntityTile_offline_beenactive .mx_EntityTile_avatar,
  -.mx_EntityTile_offline_beenactive .mx_EntityTile_name,
  +.mx_EntityTile_offline_beenactive .mx_EntityTile_name
  {
  opacity: 0.5;
  }
  .mx_EntityTile_offline_neveractive .mx_EntityTile_avatar,
  -.mx_EntityTile_offline_neveractive .mx_EntityTile_name,
  +.mx_EntityTile_offline_neveractive .mx_EntityTile_name
  {
  opacity: 0.25;
  }
  .mx_EntityTile_unknown .mx_EntityTile_avatar,
  -.mx_EntityTile_unknown .mx_EntityTile_name,
  +.mx_EntityTile_unknown .mx_EntityTile_name
  {
  opacity: 0.25;
  }
  