body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f4f4f4;
    margin: 0;
}

h1 {
    margin-bottom: 20px;
    color: #333;
}

.biarRapi label{
    margin-right: 22px;
}

.calculator {
    background-color: #ffd700;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.calculator input {
    width: 100px;
    padding: 5px;
    margin-bottom: 10px;
}

.calculator button {
    width: 40px;
    height: 40px;
    margin: 5px;
    background-color: #00bfff;
    border: none;
    color: white;
    font-size: 16px;
    cursor: pointer;
}

.calculator button:hover {
    background-color: #009acd;
}