body {
    background-color: #f5f5f5;
    overflow: hidden;
    margin: 0;
}

.btn {
    background-color: DodgerBlue;
    border: none;
    color: white;
    padding: 12px 30px;
    cursor: pointer;
    font-size: 20px;
}

.btn:hover {
    background-color: RoyalBlue;
}