* {
    box-sizing: border-box;
}

a {
    text-decoration: none;
}

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

h1, h2, h3, h4, h5, h6 {
    margin: 0;
}

a:hover, button:hover {
    cursor: pointer;
}