.converter-container {
    background-color: #ffffff; 
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-width: 450px; 
    width: 100%; 
    margin: 20px auto; 
    text-align: center;
    font-family: Arial, sans-serif;
}

.converter-container h2 {
    color: #333; 
    margin-bottom: 20px;
}

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

.input-group label {
    display: block;
    margin-bottom: 5px;
    color: #555; 
}

.converter-container input[type="number"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box; 
}

.swap-button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 10px 15px;
    text-align: center;
    display: block; 
    width: 100%;
    margin: 15px 0;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.swap-button:hover {
    background-color: #45a049;
}

#conversionTableContainer table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 0.9em;
}

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

#conversionTableContainer th {
    background-color: #e9ecef; 
    color: #333;
}

#conversionTableContainer tr:nth-child(even) {
    background-color: #f9f9f9; 
}