.ratio-calculator-container {
    max-width: 600px;
    margin: 0 auto;
}

.ratio-calculator input[type="number"] {
    font-size: 1.2rem;
    padding: 10px;
}

.ratio-calculator .h4 {
    margin-bottom: 0;
    color: #6c757d;
}

.result-box {
    transition: all 0.3s ease;
    border-left: 5px solid #0d6efd;
}