body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

header {
    background: #35424a;
    color: #ffffff;
    padding: 20px 0;
    text-align: center;
}

form {
    background: #ffffff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

form select,
form input[type="file"],
form button {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

form button {
    background: #35424a;
    color: #ffffff;
    border: none;
    cursor: pointer;
}

form button:hover {
    background: #45a049;
}

.result-link {
    margin-top: 20px;
    display: block;
    text-align: center;
    color: #35424a;
}