BookStack/resources/assets/sass/_text.scss

/**
 * Fonts
 */

body, button, input, select, label, textarea {
  font-family: $text;
}
.Codemirror, pre, #markdown-editor-input, .editor-toolbar, .code-base {
  font-family: $mono;
}

/*
 * Header Styles
 */

h1 {
  font-size: 3.425em;
  line-height: 1.22222222em;
  margin-top: 0.48888889em;
  margin-bottom: 0.48888889em;
}
h2 {
  font-size: 2.8275em;
  line-height: 1.294117647em;
  margin-top: 0.8627451em;
  margin-bottom: 0.43137255em;
}
h3 {
  font-size: 2.333em;
  line-height: 1.221428572em;
  margin-top: 0.78571429em;
  margin-bottom: 0.43137255em;
}
h4 {
  font-size: 1.666em;
  line-height: 1.375em;
  margin-top: 0.78571429em;
  margin-bottom: 0.43137255em;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 400;
  position: relative;
  display: block;
  color: #222;
  .subheader {
    font-size: 0.5em;
    line-height: 1em;
    color: lighten($text-dark, 32%);
  }
}

h5 {
  font-size: 1.4em;
}

h5, h6 {
  font-weight: 500;
  line-height: 1.2em;
  margin-top: 0.78571429em;
  margin-bottom: 0.66em;
}

@include smaller-than($s) {
  h1 {
    font-size: 2.8275em;
  }
  h2 {
    font-size: 2.333em;
  }
  h3 {
    font-size: 1.666em;
  }
  h4 {
    font-size: 1.333em;
  }
  h5 {
    font-size: 1.161616em;
  }
}

.list-heading {
  font-size: 2rem;
}

h2.list-heading {
  font-size: 1.333rem;
}

/*
 * Link styling
 */
a {
  color: $primary;
  cursor: pointer;
  text-decoration: none;
  transition: color ease-in-out 80ms;
  line-height: 1.6;
  &:hover {
    text-decoration: underline;
    color: darken($primary, 20%);
  }
  &.icon {
    display: inline-block;
  }
  svg {
    position: relative;
    display: inline-block;
  }
}

.blended-links a {
  color: inherit;
  svg {
    fill: currentColor;
  }
}

/*
 * Other HTML Text Elements
 */
p, ul, ol, pre, table, blockquote {
  margin-top: 0.3em;
  margin-bottom: 1.375em;
}

hr {
  border: 0;
  height: 1px;
  background: #EAEAEA;
  margin-bottom: $-l;
  &.faded {
    background-image: linear-gradient(to right, #FFF, #e3e0e0 20%, #e3e0e0 80%, #FFF);
  }
  &.margin-top, &.even {
    margin-top: $-l;
  }
}

strong, b, .bold, .strong {
  font-weight: bold;
  > strong, > b, > .bold, > .strong {
    font-weight: bolder;
  }
}

em, i, .italic {
  font-style: italic;
}

small, p.small, span.small, .text-small {
  font-size: 0.75rem;
  color: lighten($text-dark, 10%);
}

sup, .superscript {
  vertical-align: super;
  font-size: 0.8em;
}

sub, .subscript {
  vertical-align: sub;
  font-size: 0.8em;
}

pre {
  font-size: 12px;
  background-color: #f5f5f5;
  border: 1px solid #DDD;
  padding-left: 31px;
  position: relative;
  padding-top: 3px;
  padding-bottom: 3px;
  &:after {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    width: 29px;
    left: 0;
    background-color: #f5f5f5;
    height: 100%;
    border-right: 1px solid #DDD;
  }
}

@media print {
  pre {
    padding-left: 12px;
  }
  pre:after {
    display: none;
  }
}

blockquote {
  display: block;
  position: relative;
  border-left: 4px solid $primary;
  background-color: #F8F8F8;
  padding: $-s $-m $-s $-xl;
  &:before {
    content: "\201C";
    font-size: 2em;
    font-weight: bold;
    position: absolute;
    top: $-s;
    left: $-s;
    color: lighten($text-dark, 20%);
  }
}

.code-base {
    background-color: #F8F8F8;
    font-size: 0.80em;
    border: 1px solid #DDD;
    border-radius: 3px;
}

code {
  @extend .code-base;
  display: inline;
  padding: 1px 3px;
  white-space:pre;
  line-height: 1.2em;
  margin-bottom: 1.2em;
}

span.code {
  @extend .code-base;
  padding: 1px $-xs;
}

pre code {
  background-color: transparent;
  border: 0;
  font-size: 1em;
  display: block;
  line-height: 1.6;
}

span.highlight {
  //background-color: rgba($primary, 0.2);
  font-weight: bold;
  padding: 2px 4px;
}

/*
 * Lists
 */
ul, ol {
  overflow: hidden;
  p {
    margin: 0;
  }
}
ul {
  padding-left: $-m * 1.3;
  padding-right: $-m * 1.3;
  list-style: disc;
  ul {
    list-style: circle;
    margin-top: 0;
    margin-bottom: 0;
  }
  label {
    margin: 0;
  }
}

ol {
  list-style: decimal;
  padding-left: $-m * 2;
  padding-right: $-m * 2;
}

li.checkbox-item, li.task-list-item {
  list-style: none;
  margin-left: - ($-m * 1.3);
  input[type="checkbox"] {
    margin-right: $-xs;
  }
}

/*
 * Generic text styling classes
 */
.underlined {
  text-decoration: underline;
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.text-bigger {
  font-size: 1.1em;
}

.text-large {
  font-size: 1.6666em;
}

.no-color {
  color: inherit;
}

.break-text {
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/**
 * Grouping
 */
.header-group {
  margin: $-m 0;
  h1, h2, h3, h4, h5, h6 {
    margin: 0;
  }
}

span.sep {
  color: #BBB;
  padding: 0 $-xs;
}

.list > * {
  display: block;
}

/**
  * Icons
  */
.svg-icon {
  width: 1em;
  height: 1em;
  display: inline-block;
  position: relative;
  bottom: -0.105em;
  margin-right: $-xs;
  pointer-events: none;
}