message: Add comments to message bubble magic numbers
diff: @@ -23,7 +23,6 @@ limitations under the License.
  }
  .mx_EventTile[data-layout=bubble] {
  -
  position: relative;
  margin-top: var(--gutterSize);
  margin-left: 49px;
  @@ -287,6 +286,7 @@ limitations under the License.
  .mx_EventTile_line,
  .mx_EventTile_info {
  min-width: 100%;
  + // Preserve alignment with left edge of text in bubbles
  margin: 0;
  }
  @@ -295,6 +295,7 @@ limitations under the License.
  }
  .mx_EventTile_line > a {
  + // Align timestamps with those of normal bubble tiles
  right: auto;
  top: -11px;
  left: -95px;
  @@ -329,6 +330,7 @@ limitations under the License.
  .mx_EventTile_line {
  margin: 0;
  > a {
  + // Align timestamps with those of normal bubble tiles
  left: -76px;
  }
  }
  @@ -339,6 +341,7 @@ limitations under the License.
  }
  .mx_EventListSummary[data-expanded=false][data-layout=bubble] {
  + // Align with left edge of bubble tiles
  padding: 0 49px;
  }
  