* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

a {
    text-decoration: none;
    color: #000;
}

a:hover {
    color: #3a86ff;
}

.btn {
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 18px;
    font-weight: bold;
}