/* reset style */
html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, samp, small,
strike, strong, sub, sup, tt, var, b, i,
dl, dt, dd, ol, ul, li, fieldset, form,
label, legend, table, caption, tbody, tfoot,
thead, tr, th, td, article, aside, canvas,
details, embed, figure, figcaption, footer,
header, hgroup, nav, output, ruby, section,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

button, button:active, button:focus,
input, input:active, input:focus {
  outline: none;
}

ol, ul {
  list-style: none;
}

html, body, body * {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

.hidden {
  display: none;
}