body {
    background-color: lightblue;
    font-family: Arial, Helvetica, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}
.Converter-container {
    text-align: center;
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 2px 2px 10px gray;
}
input, select, button {
    margin: 10px;
    padding: 10px;
    border-radius: 5px;
}
button {
    background-color: green;
    color: white;
    cursor: pointer;
}