html {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
*, *:before, *:after {
    box-sizing: inherit;
}

body {
    background-color: antiquewhite;
    font-family: sans-serif;
    margin: 0;
    padding: 0;
}

nav {
    padding: 10px;

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

    margin-bottom: 20px;
}

article {
    margin: 10px;
}