jll90/content-flex-grow-bottom-nav.html

## content-flex-grow-bottom-nav.html
<html>

<style>
  body {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  width: 100%;
  background: red;
  height: 100vh;
}

.container {
  background: blue;
  display: flex;
  height: inherit;
  flex-direction: column;
}

.top {
  background: white;
  height: 30px;
}

.flex-grow {
  flex-grow: 1;
}

.bottom {
  height: 30px;
  background: yellow;
}
</style>

<body>
  <div class="container">
    <div class="top">
    </div>
    <div class="flex-grow">
    </div>
    <div class="bottom">
    </div>

  </div>
</body>

</html>