<!DOCTYPE html>
<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0
-->
<html>
<head>
  <title>Reference: Testing percentage gap resolution in flex containers</title>
  <link rel="author" title="Mihir Iyer" href="mailto:miyer@mozilla.com">
  <meta charset="utf-8">
  <style>
    .flexContainer {
      display: flex;
      border: 2px solid black;
      column-gap: 10px;
      align-content: start;
      justify-content: start;
      margin-top: 20px;
    }
    .item {
      border: 1px solid blue;
      background: yellow;
      width: 48px;
      height: 48px;
      flex: none;
    }
    .vertLR {
      writing-mode: vertical-lr;
    }
    .rowWrap {
      flex-flow: row wrap;
    }
    .colWrap {
      flex-flow: column wrap;
    }
    .w50 {
      width: 50px;
    }
    .h100 {
      height: 100px;
    }
    .w100 {
      width: 100px;
    }
    .noWrap {
      flex-wrap: nowrap;
    }
  </style>
</head>
<body>
  <div class="flexContainer rowWrap w50 h100">
    <div class="item"></div>
    <div class="item"></div>
  </div>
  <div class="flexContainer colWrap w50 h100 noWrap">
    <div class="item"></div>
    <div class="item"></div>
  </div>
  <div class="flexContainer vertLR rowWrap h100 w100">
    <div class="item"></div>
    <div class="item"></div>
  </div>
  <div class="flexContainer vertLR colWrap w100 noWrap">
    <div class="item"></div>
    <div class="item"></div>
  </div>
</body>
</html>