title: Grid system in bootstrap v4 not working on iPhone 5s (iOS 9)
body: <p>The grid system is not working on both Google Chrome and Safari on iPhone 5s with iOS 9 installed.</p>
  
  <p>We are using Bootstrap v4 alpha-6 SASS version with including only files we need. Website works on all other devices - Desktop, laptops, tablets (iPad and Android) and other mobile phones (Android, Windows Phone, iPhone 6 with iOS 10).</p>
  
  <ul>
  <li>Operating system: iPhone 5s (iOS 9)</li>
  <li>Browser: both Safari and Chrome</li>
  <li>Website: <a href="https://www.poljinos.hr/en/" rel="nofollow noreferrer">https://www.poljinos.hr/en/</a></li>
  </ul>
  
  <p>The problem is with grid system, it is displaying all col-* items in one row and website is more then 100% wide.</p>
  
  <p>Any suggestions why this is happening ?</p>