.btn {
    background-color: crimson;
    color: white;
    border: none;
    padding: 12px 25px;
    font-size: 18px;
    border-radius: 25px;
    cursor: pointer;
    transition: 0.3s;
}

.btn:hover {
    background-color: darkred;
    transform: scale(1.1);
}