*:before,
*:after {
    box-sizing: inherit;
}

*:focus {
    outline: none;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}

html {
    box-sizing: border-box;
}

article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
    display: block;
}

a {
    background-color: transparent;
}

a:active,
a:hover {
    outline: none;
}

b,
strong {
    font-weight: bold;
}

img {
    border: 0;
}