*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
}
a{
    color: black;
    text-decoration: none;
}
li{
    list-style-type: none;
}
div,ul, li, section, header, nav, footer, aside, article, figure, .row{
    display: flex;
    flex-wrap: wrap;
}