html,
body {
  padding: 0;
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen, Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif; }

a {
  color: inherit;
  text-decoration: none; }

* {
  box-sizing: border-box; }

#wrapper {
  overflow: hidden;
  position: relative; }

.header:before, .header:after {
  content: " ";
  display: table; }

.header:after {
  display: block;
  clear: both;
  height: 1px;
  margin-top: -1px;
  visibility: hidden; }

.header {
  *zoom: 1; }

.logo-holder {
  width: 300px;
  margin: 0 auto 30px; }
  .logo-holder a {
    display: block; }
  .logo-holder svg {
    display: block;
    height: auto;
    width: 100%; }

.false {
  background-color: green; }

.true {
  background-color: red; }