/* ============ reset ============ */
*, *::before, *::after { box-sizing: border-box; }
html, body, div, span, h1, h2, h3, h4, h5, h6, p, a, img, ul, ol, li,
figure, figcaption, header, footer, nav, section, table, tr, th, td, dl, dt, dd {
  margin: 0; padding: 0; border: 0; font: inherit; vertical-align: baseline;
}
article, aside, footer, header, nav, section, figure, figcaption { display: block; }
ul, ol { list-style: none; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
table { border-collapse: collapse; border-spacing: 0; width: 100%; }
button { font: inherit; cursor: pointer; background: none; border: 0; }