:root {
  --theme-color-text: black;
  --theme-color-bg: #FBB;
}

html {
  color: var(--theme-color-text);
  background-color: var(--theme-color-bg);
}

html {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 20px;
  line-height: normal;
}

h1 {
  display: block;
  font-size: clamp(48px, 10vw, 96px);
  font-weight: 300;
  line-height: 1;
}

html,
body,
.page {
  height: 100%;
}

.page {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-flow: column nowrap;
          flex-flow: column nowrap;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  text-align: center;
}

.error .code {
  display: block;
  font-size: 72px;
  font-weight: 200;
  line-height: 1;
  margin-bottom: 12px;
}

.button {
  display: block;
  line-height: 1;
  padding: 12px;
  border-radius: 6px;
  color: inherit;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background-color: rgba(0, 0, 0, 0);
}
.button:hover, .button:focus {
  background-color: rgba(0, 0, 0, 0.04);
}
.button:focus {
  color: var(--theme-color-bg);
  border-color: transparent;
  background-color: rgba(0, 0, 0, 0.4);
}