html {
  font-family: sans-serif;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
}
article,
aside,
details,
figcaption,
figure,
footer,
header,
main,
menu,
nav,
section,
summary {
  display: block;
}
a {
  background-color: transparent;
  -webkit-text-decoration-skip: objects;
}
@font-face {
  font-family: 'Regular-Light';
  src: url("./fonts/Regular-Light.eot?#iefix") format('embedded-opentype'), url("./fonts/Regular-Light.otf") format('opentype'), url("./fonts/Regular-Light.woff") format('woff'), url("./fonts/Regular-Light.ttf") format('truetype'), url("./fonts/Regular-Light.svg#Regular-Light") format('svg');
  font-weight: normal;
  font-style: normal;
}
body {
  font-family: 'Regular-Light';
  font-size: 80px;
  line-height: 1.1;
  color: #fff;
  background-color: #000;
}
nav {
  font-size: 1.4em;
  margin-top: 2em;
}
nav ul {
  padding: 0;
  margin: 0;
  list-style: none;
  float: left;
}
nav li {
  display: inline-block;
  padding-top: 0.5em;
  margin-right: 4em;
}
nav a {
  color: #fff;
  text-decoration: none;
  display: inline-block;
}
nav a::after {
  content: '';
  display: block;
  margin: auto;
  width: 0%;
  border-bottom: 2px solid #fff;
  -webkit-transition: width 0.125s ease-in-out;
  transition: width 0.125s ease-in-out;
}
nav a.current::after,
nav a:hover::after {
  width: 100%;
}
.div_logo {
  padding-top: 0;
  float: right;
  margin-right: 0;
}
.div_logo path {
  fill: #fff;
}
#center {
  position: absolute;
  overflow-x: hidden;
  overflow-y: auto;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  width: auto;
  height: auto;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
}
#wrapper {
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
  max-width: 975px;
  padding: 1em 1.2em;
  margin: auto;
  padding-bottom: 2em;
}
@media (max-width: 975px) {
  body {
    font-size: 80px;
  }
}
@media (max-width: 500px) {
  body {
    font-size: 80px;
  }
}
/*
dynamic font size
https://css-tricks.com/viewport-sized-typography/
*/
body {
  font-size: 3.65vmin;
}
#wrapper {
  max-width: 95vh;
  width: 90vw;
}
@media (max-width: 500px) {
  body {
    font-size: 4.5vmin;
  }
}
