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

.container {
    max-width: 800px;
    margin: 50px auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: 5px;
}

input[type="text"], input[type="number"], select {
    padding: 10px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
    width: 100%;
    box-sizing: border-box;
}

button {
    padding: 10px;
    font-size: 16px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #45a049;
}

.output {
    margin-top: 20px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background-color: #f9f9f9;
}

.recognition {
    margin-top: 20px;
    padding: 10px;
    border-top: 1px solid #ccc;
    font-size: 14px;
    color: #555;
}

.recognition a {
    color: #0066cc;
}

.recognition a:hover {
    text-decoration: underline;
}

select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-color: #fff;
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg xmlns%3D%27http://www.w3.org/2000/svg%27 width%3D%2716%27 height%3D%2716%27 fill%3D%27%23333%27 viewBox%3D%270 0 4 5%27%3E%3Cpath d%3D%27M2 0L0 2h4zM0 3l2 2 2-2z%27/%3E%3C/svg%3E');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 10px 10px;
    padding-right: 30px;
}

select:focus {
    outline: none;
    border-color: #4CAF50;
}