html {
    scroll-behavior: smooth;
}

img {
    display: block;
}

body {
    overflow-x: hidden;
}

a {
    transition: opacity .16s ease, color .16s ease, background-color .16s ease, border-color .16s ease, transform .16s ease;
}

@media (hover: hover) {
    a:hover { opacity: .72; }
}