* {
  box-sizing: border-box;
}

:root {
  --line-height-1: 1;
  --line-height-2: 1.125;
  --line-height-3: 1.25;
  --line-height-4: 1.5;
  --letter-spacing: 1;
  --caps-letter-spacing: 0.2em;
  --bold-font-weight: bold;
}

html,
body,
.viewport {
  width: 100%;
  min-height: 100vh;
  margin: 0;
}

body,
button,
input,
optgroup,
select,
textarea {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body {
  font-size: 16px;
  line-height: 1.5;
  margin: 0;
  color: #617180;
  background-color: #fff;
  display: flex;

  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img {
  max-width: 100%;
  height: auto;
}
svg {
  max-height: 100%;
}
a {
  color: #005aa6;
  text-decoration: none;
  cursor: pointer;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 500;
  line-height: 1.25;
  margin-top: 1em;
  margin-bottom: 0.5em;
  color: #1f2429;
}
h1 {
  font-size: 2em;
}
h2 {
  font-size: 1.5em;
}
h3 {
  font-size: 1.25em;
}
h4 {
  font-size: 1em;
}
h5 {
  font-size: 0.875em;
}
h6 {
  font-size: 0.75em;
}
p,
dl,
ol,
ul,
pre,
blockquote {
  margin-top: 1em;
  margin-bottom: 1em;
}
code,
pre,
samp {
  font-family: 'Atlas Typewriter', 'Source Code Pro', Menlo, Consolas,
    'Liberation Mono', monospace;
}
code,
samp {
  font-size: 87.5%;
  padding: 0.125em;
}
pre {
  font-size: 87.5%;
  overflow: scroll;
}
blockquote {
  font-size: 1.25em;
  font-style: italic;
  margin-left: 0;
}
hr {
  margin: 2em 0;
  border: 0;
  border-bottom-width: 1px;
  border-bottom-style: solid;
  border-bottom-color: #dedede;
}
*[role='button'] {
  cursor: pointer;
}

.hljs {
  border: 1px solid rgba(0, 0, 0, 0.0625);
  padding: 1em;
  border-radius: 0.25em;
}
