body {
    font-family: 'Montserrat', 'Open Sans', sans-serif;
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
}

button, a {
    transition: all 0.3s ease;
}

input:focus {
    transition: all 0.3s ease;
}

@media (max-width: 640px) {
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.5rem;
    }
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}