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    <div class="post">
    <h1>Welcome</h1>
    <h2>two hours ago</h2>
    <p>Hi!</p>
    <p>Welcome to my sample blog!</p>
    <p>This post is here to help demonstrate how easy it is to take an existing site, along with full-width bars and fixed-position elements, and make it take full advantage of iPhone X's edge-to-edge display.</p>
    <p>The actual post describing how to adopt the new API is over on the <a href="https://webkit.org/blog/7929/designing-websites-for-iphone-x/">WebKit blog</a>.</p>
    <p>There, you will learn all about new WebKit features, including <code>viewport-fit</code>, <code>constant()</code>, safe area insets, and <code>min()</code> and <code>max()</code>.</p>
    <p>I hope that it helps you adopt these new features in your websites.</p>
    </div>
    <div id="bottomBar"><a href="#">About Me</a><a href="#">Contact</a><a href="#">Site Map</a></div>

body {
    margin: 0;

    font-family: Helvetica;
    font-size: 16pt;

    -webkit-text-size-adjust: 100%;

    background-color: #eef;
}

* {
    box-sizing: border-box;
}
#topBar {
        background-color: #729fcf;
        padding: constant(safe-area-inset-top) constant(safe-area-inset-right) 0 constant(safe-area-inset-left);
    }

    #topBar a {
        display: inline-block;

        height: 100%;
        padding: 12px;

        border-right: 3px solid rgba(255, 255, 255, 0.5);

        color: white;
        text-decoration: none;
        font-weight: bold;
        font-size: 18pt;
    }

    #topBar a:last-child {
        border-right: none;
    }

    #bottomBar {
        position: fixed;

        left: 0;
        right: 0;
        bottom: 0;

        background-color: #3465a4;

        text-align: center;

        padding: 8px;
    }

    #bottomBar a {
        padding: 0 24px;

        color: white;
        font-size: 12pt;
        text-decoration: none;
    }

    h1 {
        margin: 12px 0 0 0;
    }

    h2 {
        color: #aaa;
        font-size: 12pt;
        text-align: left;

        margin: 0;
    }

    .post {
        width: 100%;

        margin-bottom: 50px;

        padding: 12px;
    }

    .post p:first-child {
        margin: 0;
    }

    @supports(padding: max(0px)) {
        #bottomBar {
            padding-left: max(8px, constant(safe-area-inset-left));
            padding-right: max(8px, constant(safe-area-inset-right));
            padding-bottom: max(8px, constant(safe-area-inset-bottom));
        }

        .post {
            padding-left: max(12px, constant(safe-area-inset-left));
            padding-right: max(12px, constant(safe-area-inset-right));
        }
    }