body {
    font-family: Arial, sans-serif;
    text-align: center;
}

.container {
    margin: 20px;
}

.converter {
    margin: 20px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

input, select, button {
    margin: 5px;
    padding: 5px;
}

h2, h3 {
    margin-bottom: 10px;
}

#lengthResult, #tempResult {
    font-weight: bold;
    color: #007bff;
}