/* Set up the body */
body {
    width: 100%;
    height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: #f7f7f7;
    margin: 0;
    overflow: hidden;
}

/* Style the heading */
h1 {
    color: #333;
    font-size: 36px;
    margin-bottom: 20px;
    font-weight: bold;
}

/* Style the form container */
.form {
    margin: 20px auto;
    width: 100%;
    max-width: 450px;
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Style the text input */
.form input[type="text"] {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 6px;
    margin-bottom: 20px;
    box-sizing: border-box;
    transition: border-color 0.3s ease-in-out;
}

.form input[type="text"]:focus {
    border-color: #4CAF50;
    outline: none;
}

/* Style the submit button */
.form input[type="submit"] {
    background-color: #4CAF50;
    border: none;
    color: white;
    padding: 14px 32px;
    font-size: 18px;
    cursor: pointer;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

.form input[type="submit"]:hover {
    background-color: #45a049;
}

/* Style the thumbnail container */
.thumbnail {
    margin-top: 20px;
    width: 100%;
    max-width: 600px;
    text-align: center;
}

.thumbnail img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}