metamask-extension/ui/components/institutional/wrong-network-notification/index.scss

.wrong-network-notification {
  @media screen and (min-width: $break-large) {
    width: 85vw;
  }

  @media screen and (min-width: 768px) {
    width: 80vw;
  }

  @media screen and (min-width: 1280px) {
    width: 62vw;
  }
}