fix typos

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      <h1>TRY IN OUT</h1>

      <h1>TRY IT OUT</h1>

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    <h2 class="text-left" id="whatisit">WHAT IS<br>TINYGRAPHS</h2>

    <p class="lead text-left">Tinygraphs is an open source avatar generator web service. You can use it to generate a consistent avatars for your web app.</p>

    <p class="lead text-left">Tinygraphs is an open source avatar generator web service. You can use it to generate consistent avatars for your web app.</p>

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