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

h1 {
    margin-top: 20px;
}

.converter {
    margin: 20px auto;
    padding: 20px;
    border: 1px solid #ccc;
    max-width: 400px;
    margin: 0 auto;
}

.input, .unit {
    margin: 10px 0;
}

button {
    padding: 10px 20px;
    background-color: #0074D9;
    color: white;
    border: none;
    cursor: pointer;
}

.result {
    margin: 20px auto;
    max-width: 400px;
}

@media (max-width: 768px) {
    .converter {
        width: 90%;
    }

    .input, .unit {
        margin: 5px 0;
    }

    button {
        padding: 8px 16px;
    }
}