nicolabs.net/_sass/base/_typography.scss

body {
  color: $base-font-color;
  font-family: $base-font-family;
  font-feature-settings: "kern", "liga", "pnum";
  font-size: $base-font-size;
  line-height: $base-line-height;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: $heading-font-family;
  font-size: $base-font-size;
  line-height: $heading-line-height;
  margin: 0 0 $small-spacing;
  font-weight: 300;
  color: #000;
}

h1 {
  font-size: rem(45);
  margin: 0 0 $small-spacing;
  font-weight: bold;
}

h2 {
  font-size: rem(26);
  margin: $base-spacing 0 $base-spacing;
  font-weight: bold;
}

h3 {
  font-size: rem(24);
  margin: $base-spacing 0 $small-spacing;
  font-weight: 400;
}

h4 {
  font-size: rem(20);
  margin: 1em 0 1em;
}

h5,
h6 {
  font-size: rem(16);
  margin: 1em 0 .5em;
}

p {
  margin: 0 0 $small-spacing;

  &.lead {
    font-size: rem(22);
    font-weight: 300;
  }
}

a {
  color: $action-color;
  text-decoration: none;
  transition: color $base-duration $base-timing;

  &:active,
  &:focus,
  &:hover {
    color: shade($action-color, 25%);
  }
}

hr {
  border-bottom: $base-border;
  border-left: 0;
  border-right: 0;
  border-top: 0;
  margin: $base-spacing 0;
}

img,
picture {
  max-width: 100%;
  /** to center images in markdown */
  display:block;
  margin: $base-spacing auto;

  &.inline {
    display: inline;
    margin: auto;
  }
}

blockquote {
  padding: 0 0 0 $base-spacing;
  margin: $base-spacing 0;
  color: $medium-gray-color;
  line-height: 1.8;
  border-left: $small-spacing solid $light-gray-color;
}

code {
  background: none;
  border-radius: 0;
  border: none;
  font-family: "Courier New", monospace;
  font-size: 0.9em;
  margin: 0;
  padding: 0 5px;
  background-color: lighten($light-gray-color, 13%);
}

pre {
  -webkit-overflow-scrolling: touch;
  font-family: "Courier New", monospace;
  font-size: 0.9em;
  margin: 0;

  code {
    line-height: 1.75em;
  }
}