Untitled

<!DOCTYPE html>
<html>
    <head>
        <title>Start Page</title>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <style>
            body {
                font-family: Arial, sans-serif;
                background-color: #e0f7fa; /* Light blue background */
                padding: 20px;
                margin: 0;
                display: flex;
                justify-content: center;
                align-items: center;
                height: 100vh;
                background-image: linear-gradient(to bottom right, #e0f7fa, #81d4fa); /* Gradient background */
            }
            .container {
                background-color: #ffffff;
                padding: 20px;
                border-radius: 10px;
                box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
                width: 80%; /* Dynamic width */
                max-width: 400px; /* Set max width to keep form from being too wide */
                aspect-ratio: 4 / 5; /* Set 4:5 aspect ratio */
                display: flex;
                flex-direction: column;
                justify-content: center;
                align-items: center;
            }
            h1 {
                color: #333;
                text-align: center;
                margin-bottom: 20px;
            }
            form {
                width: 100%;
                text-align: center;
            }
            input[type="text"] {
                padding: 8px;
                margin: 10px;
                border: 1px solid #ccc;
                border-radius: 4px;
                width: 80%;
            }
            input[type="submit"] {
                padding: 10px 20px;
                background-color: #4CAF50;
                color: white;
                border: none;
                border-radius: 4px;
                cursor: pointer;
                width: 50%;
                margin-top: 10px;
            }
            input[type="submit"]:hover {
                background-color: #45a049;
            }
        </style>
    </head>
    <body>
        <div class="container">
            <h1>Simple Addition Form</h1>
            <form action="add" method="post">
                <input type="text" name="t1" id="t1" placeholder="Enter first number"><br>
                <input type="text" name="t2" id="t2" placeholder="Enter second number"><br>
                <input type="submit" value="+">
            </form>
        </div>
    </body>
</html>
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