/* firefox-opera-fixes.css - minimal browser-specific patch for Firefox/Opera */

/* Apply only in Firefox */
@supports (-moz-appearance: meterbar) {
  /* keep original layout as-is, only adjust fixed back button spacing */
  #backbut {
    position: fixed;
    top: 22px;
    left: 50%;
    transform: translateX(-50%);
    margin: 0;
    z-index: 999;
  }

  #backbut + h1,
  #backbut + h2 {
    margin-top: 50px;
  }
}

/* Apply only in Opera (legacy) */
@supports (-o-appearance: none) {
  #backbut {
    position: fixed;
    top: 22px;
    left: 50%;
    transform: translateX(-50%);
    margin: 0;
    z-index: 999;
  }

  #backbut + h1,
  #backbut + h2 {
    margin-top: 50px;
  }
}

/* No other rules to keep layout identical in non-target browsers */