message: fix(content-block-simple): added max-width to video component on react
  ### Related Ticket(s)
  ### Description
  Added max-width to video in react version
diff: /**
  - * Copyright IBM Corp. 2016, 2020
  + * Copyright IBM Corp. 2016, 2021
  *
  * This source code is licensed under the Apache-2.0 license found in the
  * LICENSE file in the root directory of this source tree.
  // empty for now
  }
  + .#{$prefix}--content-block-simple__media-video {
  + max-width: rem(640px);
  + }
  +
  .#{$prefix}--content-block-simple__content {
  .#{$prefix}--content-item {
  &:first-of-type {
  