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          <a href="#" class="w3-bar-item w3-button">Functions</a>
          <a href="#" class="w3-bar-item w3-button">Polynomial Functions</a>
          <a href="#" class="w3-bar-item w3-button">Rational Functions</a>
          <a href="#" class="w3-bar-item w3-button">Trigonometric Functions</a>
          <a href="#" class="w3-bar-item w3-button">Applications of Trig. Functions</a>
         
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        <div class="w3-container" w3-red><h1>Caesar.jl</h1></div>
        <p>Welcome to <strong>Caesar.jl!</strong></p>
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