Try it Yourself: RWD Grid View

RWD Grid View

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
  .grid {
    display: flex;
  }
  .col {
    width: 33.333%;
    padding: 16px;
    box-sizing: border-box;
    background: #eee;
  }
</style>
</head>
<body>

<div class="grid">
  <div class="col">A</div>
  <div class="col">B</div>
  <div class="col">C</div>
</div>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
  .grid {
    display: flex;
  }
  .col {
    width: 33.333%;
    padding: 16px;
    box-sizing: border-box;
    background: #eee;
  }
</style>
</head>
<body>

<div class="grid">
  <div class="col">A</div>
  <div class="col">B</div>
  <div class="col">C</div>
</div>

</body>
</html>