*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #202020;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
}
section{
    background-color: #fff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 300px;
    text-align: center;
    margin: 20px;
    font-size: 16px;
    color: #333;
    transition: transform 0.3s ease;
}
section:hover {
    transform: scale(1.05);
}
h1 {
    font-size: 24px;
    margin-bottom: 10px;
}
p {
    margin-bottom: 15px;
    margin-top: 15px;
    font-size: 14px;
    color: #555;
    font-weight: bold;
}
label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}
input[type="number"] {
    width: 50%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
    text-align: center;
    transition: all 0.3s ease;
}
input[type="number"]:focus {
    border-color: #218838;
    outline: none;
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
}
button {
    width: 50%;
    padding: 10px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}
button:hover {
    background-color: #218838;
}
footer {
    margin-top: 20px;
    font-size: 14px;
    color: #666;
    text-align: center;
}