* {
  box-sizing: border-box;
}

:root {
  --background-color: #ffffff;
  --background-color-contrast: #000;
  --primary-color: #000000;
  --primary-color-contrast: #ffffff;
  --link-color: #2300d3;
  font-size: 18px;
  font-family: Helvetica, Arial, sans-serif;
  font-weight: 200;
}

html {
  scroll-behavior: smooth;
}

main {
  min-height: 90vh;
}

/* content container */
.content-container {
  width: 90%;
  margin: calc(60px + 2rem) auto 0 auto;
}

a {
  color: var(--link-color);
}
a:hover {
  text-decoration: underline 1px solid var(--link-color);
}

p {
  margin-top: 1rem;
  font-size: 1em;
  color: var(--primary-color);
}

h1 {
  font-size: 2em;
  font-weight: 400;
  color: var(--primary-color);
}

h2 {
  font-size: 1.2em;
  font-weight: 400;
  color: var(--primary-color);
  margin-top: 3rem;
}

h3 {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--primary-color);
  margin-top: 1.5rem;
}

h4 {
  font-size: 1em;
  font-weight: 400;
  color: var(--primary-color);
  margin-top: 1.5em;
}

h5 {
  font-size: 0.83em;
  font-weight: 400;
  color: var(--primary-color);
  margin-top: 1.5rem;
}

h6 {
  font-size: 0.67em;
  font-weight: 400;
  color: var(--primary-color);
  margin-top: 1.5rem;
}

code {
  font-size: 0.9em;
  font-weight: 400;
}

blockquote {
  font-size: 1.1em;
  font-weight: 300;
  color: var(--primary-color);
  margin: 1rem 0;
  padding: 0.5rem;
  border-left: 3px solid var(--primary-color);
  line-height: 1.5;
}
blockquote p {
  margin: 0;
}