* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

html {
    scroll-behavior: smooth;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: #000;
}

.clearfix::after {
    clear: both;
    content: "";
    display: table;
}