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    <title>Código Secreto</title>

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    <h1>Código Secreto</h1>
    <main>
     <section class="codigo">
        <div class="entradaDeTexto">
            <label for="entrada">Apenas Letras minúsculas, sem acento</label>
            <input id="entrada" type="text">
            <button id= "cript">Criptografar</button>
            <button id= "descript">Descriptografar</button>
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    </section>

    <section class="mensagem">
        <div class="saidaDeTexto">
            <h2>Mensagem criptografada:</h2>
            <input id="saida" type="text">
            <button>Copiar</button>
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