body {
    background-color: lightseagreen;
    color: black;
    margin-left: 30px;
    margin-top: 30px;
    font-family: Helvetica,Arial,sans-serif;
}

.button {
    background-color: white;
    border-color: navy;
    font-size: 14px;
    border-radius: 6px;
}