body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}

.calculator {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    text-align: center;
}

.fraction-input {
    display: inline-block;
    margin: 10px;
}

.fraction-input input {
    width: 60px;
    text-align: center;
    border: none;
    border-bottom: 1px solid #ccc;
    font-size: 18px;
}

.fraction-input hr {
    margin: 0;
    border: none;
    border-top: 1px solid #000;
    width: 60px;
}

#operation {
    font-size: 24px;
    margin: 10px;
}

#calculate {
    font-size: 24px;
    padding: 10px 20px;
    margin: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#result {
    font-size: 24px;
    margin-top: 20px;
}