body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: rgb(0 0 0);
}

.container {
    background-color: #808080;
    padding: 30px;
    border-radius: 19px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

h1 {
    margin-bottom: 20px;
}

.converter {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

input, select, button {
    padding: 10px;
    font-size: 16px;
    border-radius: 4px;
    border: 1px solid #00FFFF;
}

button {
    background-color: #000000;
    color: #ffffff;
    border: none;
    cursor: pointer;
}

    button:hover {
        background-color: #0056b3;
    }

p {
    font-size: 18px;
    margin-top: 10px;
}