.volume-calculator-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    font-family: Arial, sans-serif;
}

.volume-calculator-container h1 {
    text-align: center;
	font-size: 32px;
    color: #2c3e50;
    margin-bottom: 20px;
}

.shape-selector {
    margin-bottom: 20px;
}

.shape-selector label {
    display: block;
    margin-bottom: 5px;
    color: #34495e;
    font-weight: bold;
}

.shape-selector select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.input-group {
    margin-bottom: 15px;
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    color: #34495e;
    font-weight: bold;
}

.input-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    margin-bottom: 10px;
}

#calculate-volume {
    width: 100%;
    padding: 15px;
    background: #27ae60;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.3s ease;
}

#calculate-volume:hover {
    background: #219150;
}

.result-box {
    margin-top: 20px;
    padding: 15px;
    background: #e8f5e9;
    border-radius: 5px;
    text-align: center;
}

#volume-result {
    font-size: 24px;
    font-weight: bold;
    color: #27ae60;
    margin-top: 10px;
}

@media (max-width: 600px) {
    .volume-calculator-container {
        padding: 15px;
    }
}