Restores the padding to center the headers in the repository view.

github-next-center-headers.user.css

/* ==UserStyle==
@name           Github-Next - Center Header
@namespace      github.com/AfroThundr3007730
@version        0.0.20200719
@description    Restores the padding to center the headers in the repository view.
@author         AfroThundr
@homepageURL    https://gist.github.com/AfroThundr3007730/1596ae3898d08f91a42bc4f64e8b4a44
@updateURL      https://gist.githubusercontent.com/AfroThundr3007730/1596ae3898d08f91a42bc4f64e8b4a44/raw/github-next-center-headers.user.css
@license        CC-BY-SA-4.0
==/UserStyle== */
@-moz-document url-prefix("https://github.com") {
  :root {
    --pad-center-0: max(50vw - 640px, 0px);
    --pad-center-16: max(50vw - 640px, 16px);
    --pad-center-24: max(50vw - 640px, 24px);
    --pad-center-32: max(50vw - 640px, 32px);
  }
  body:not(.full-width):not(.height-full) .Header {
    padding-left: var(--pad-center-16) !important;
    padding-right: var(--pad-center-16) !important;
  }
  .js-notification-shelf {
    padding-left: var(--pad-center-0);
    padding-right: var(--pad-center-0);
  }
  .pagehead.repohead > div > div, .pagehead .UnderlineNav-body {
    padding-left: var(--pad-center-0);
  }
  .pagehead ul.pagehead-actions {
    padding-right: var(--pad-center-0) !important;
  }
  .pagehead .js-responsive-underlinenav-overflow {
    padding-right: var(--pad-center-24) !important;
  }
  main#js-repo-pjax-container > div:first-of-type > * {
    padding-left: var(--pad-center-32) !important;
    padding-right: var(--pad-center-32) !important;
  }
}