<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Flex direction</title>
    <style>
        .container, .container--row-reverse > * {
            background-color: lightyellow;
        }

        .container {
            display: flex;
            counter-reset: box;
        }

        .center {
            justify-content: center;
        }

        .flexEnd {
            justify-content: flex-end;
        }

        .spaceBetween {
            justify-content: space-between;
        }

        .spaceAround {
            justify-content: space-around;
        }

        .box:before {
            counter-increment: box;
            content: "Box " counter(box);
        }

        .box {
            border: 5px solid red;
            height: 20vh;
            width: 20vw;
        }
    </style>
</head>
<body>
<section>
    <h2>Justify content: flex-start</h2>
    <div class="container">
        <div class="box">
        </div>
        <div class="box">
        </div>
        <div class="box">
        </div>
        <div class="box">
        </div>
    </div>
</section>
<section>
    <h2>Justify content: flex-end</h2>
    <div class="container flexEnd">
        <div class="box">
        </div>
        <div class="box">
        </div>
        <div class="box">
        </div>
        <div class="box">
        </div>
    </div>
</section>
<section>
    <h2>Justify content: space-between</h2>
    <div class="container spaceBetween">
        <div class="box">
        </div>
        <div class="box">
        </div>
        <div class="box">
        </div>
        <div class="box">
        </div>
    </div>
</section>
<section>
    <h2>Justify content: space-around</h2>
    <div class="container spaceAround">
        <div class="box">
        </div>
        <div class="box">
        </div>
        <div class="box">
        </div>
        <div class="box">
        </div>
    </div>
</section>
<section>
    <h2>Justify content: center</h2>
    <div class="container center">
        <div class="box">
        </div>
        <div class="box">
        </div>
        <div class="box">
        </div>
        <div class="box">
        </div>
    </div>
</section>
</body>
</html>
// Code goes here

/* Styles go here */