Untitled

<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <title>Layout 2</title>
    <link rel="stylesheet" href="css/main.css">
</head>

<body>
    <header>
        <h1>
            Layout 2
        </h1>
    </header>

    <main class="content">


        <div class="row1">
            <div class="row1col1">
                <span>
                   <strong>
                        1
                   </strong>
               </span>

            </div>

            <div class="row1col2">
                <div class="col1 col">
                    <span>
                       <strong>
                        3

                       </strong>
                   </span>

                </div>

                <div class="col2 col">
                    <span>
                        <strong>
                            4
                        </strong>
                    </span>

                </div>

            </div>

        </div>


        <div class="row2">
            <div class="row2col1">
                <span>
                    <strong>
                        2
                    </strong>
                </span>
            </div>
        </div>


        <div class="row3">
            <div class="row3col1">
                <span>
                    <strong>
                        5
                    </strong>
                </span>

            </div>
            <div class="row3col2">
                <span>
                    <strong>
                        6
                    </strong>
                </span>

            </div>
            <div class="row3col3">
                <span>
                    <strong>
                        7
                    </strong>
                </span>

            </div>
            <div class="row3col4">
                <span>
                    <strong>
                        8
                    </strong>
                </span>

            </div>
            <div class="row3col5">
                <span>
                    <strong>
                        9
                    </strong>
                </span>
            </div>
        </div>


    </main>

</body>

</html>