test - 1

    <style>
        *{
            margin: 0;
            padding: 0;
        }
        #wrap{
            width: 1200px;
            margin: 0 auto;
        }
        #header{
            width: 1200px;
            height: 100px;
            background-color: #BDE3F9;
        }
        #nav{
            width: 1200px;
            display: flex;
        }
        #nav .menu1{
            width: 600px;
            height: 100px;
            background-color: #94D2F6;
        }
        #nav .menu2{
            width: 600px;
            height: 100px;
            background-color: #90B9CE;
        }
        #main{
            width: 1200px;
        }
        #main .contents{
            width: 1200px;
            display: flex;
        }
        #main .contents .aside{
            width: 300px;
            height: 500px;
            background-color: #70C0F2;
        }
        #main .contents .content{
            width: 900px;
        }
        #main .contents .content .article1{
            width: 900px;
            height: 250px;
            background-color: #5AB3F0;
        }
        #main .contents .content .article2{
            width: 900px;
            height: 250px;
            background-color: #4BA6EE;
        }

        #main .contents2{
            width: 1200px;
            height: 300px;
            background-color: #4599DF;
        }
        #footer{
            width: 1200px;
            height: 100px;
            background-color: #3B86CB;
        }
    </style>​

    <div id="wrap">
        <header id="header"></header>
        <nav id="nav">
            <section class="menu1"></section>
            <section class="menu2"></section>
        </nav>
        <main id="main">
            <section class="contents">
                <aside class="aside"></aside>
                <section class="content">
                    <article class="article1"></article>
                    <article class="article2"></article>
                </section>
            </section>
            <section class="contents2"></section>
        </main>
        <footer id="footer"></footer>
    </div>