.mematrix-container {
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    font-family: Arial, sans-serif;
}

.mematrix-container h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #2c3e50;
}

#menuTable {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 15px;
}

#menuTable th, #menuTable td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: center;
}

#menuTable th {
    background: #f8f9fa;
}

#menuTable input {
    width: 100%;
    padding: 5px;
}

button {
    padding: 10px 15px;
    margin: 5px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
}

#addRow {
    background: #27ae60;
    color: white;
}

#calculate {
    background: #2980b9;
    color: white;
}