form {
    border: 1px solid #f0f0f0;
    box-shadow: 1px 2px 2px grey;
    border-radius: 10px;
}

button.btn {
    transition: all 0.5s ease-in-out;
}

button.btn:hover {
    transform: scale(1.1);
    background-color: #3687ff;
}