* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    background-color: #f4f4f4;
    scroll-behavior: smooth;
}

ul,
ol {
    list-style: none;
}

a {
    text-decoration: none;
    color: #333;
}

em,
i {
    font-style: normal;
}