h1 {
    color: #0061bb;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    padding: 10px;
    background: #e6e6e6;
}

#response_area {
    padding: 10px;
    background: white;
    margin-top: 20px;
    border: 2pt solid black;
}

.black-btn {
    background: #003f6d;
    color: white;
    font-weight: 700;
    padding: 5px;
    border: none;
    transition: 0.4s;
    cursor: pointer;
}

.black-btn:hover {
    background: #005B9C;
    transition: 0.4s;
}