message: fix(callout-with-media): text width update
  ### Related Ticket(s)
  JIRA:
  GH:
  ### Description
  To match [callout with media design specs](https://ibm.ent.box.com/file/785625535350), this diff overrides calculated percentage width for section title and section copy to use explicit padding and max-width enforcement.
  ### Changelog
  **Changed**
  added override styles to callout-with-media.scss
diff: color: $inverse-01;
  }
  + :host(#{$dds-prefix}-callout-with-media) ::slotted([slot='heading']),
  + .#{$prefix}--callout-with-media .#{$prefix}--content-block__heading,
  + :host(#{$dds-prefix}-callout-with-media) ::slotted([slot='copy']),
  + .#{$prefix}--callout-with-media .#{$prefix}--callout-with-media-copy {
  + padding-right: $spacing-07;
  + max-width: carbon--rem(640px);
  + width: auto;
  + }
  +
  .#{$prefix}--callout-with-media .#{$prefix}--callout__content {
  padding-top: 0;
  }
  