body {
    margin: 0;
    padding: 0;
}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

button {
    border: 0;
    padding: 0;
    background: transparent;
}

a {
    text-decoration: none;
}

:root {
    --gutter: 20px;
    --double-gutter: 40px
}