grafana/public/sass/pages/_history.scss

// Actual Diff
#delta {
  margin: 2em 0;
}

// JSON
@for $i from 0 through 16 {
  .diff-indent-#{$i} {
    padding-left: $i * 1.5rem;
    margin-left: 10px;
  }
}

.delta-html {
  background: $diff-json-bg;
  padding-top: 5px;
  padding-bottom: 5px;
  user-select: none;
}

.diff-line {
  color: $diff-json-fg;
  font-family: $font-family-monospace;
  font-size: $font-size-sm;
  line-height: 2;
  margin-bottom: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  position: relative;

  &:before, &:after {
  }

  &:after { left: -40px; }
}

.diff-line-number {
  color: $text-muted;
  display: inline-block;
  font-size: $font-size-xs;
  line-height: 2.3;
  text-align: right;
  width: 30px;
}

.diff-line-number-hide { visibility: hidden; }

.diff-line-icon {
  color: $diff-json-icon;
  font-size: $font-size-xs;
  float: right;
  position: relative;
  top: 2px;
  right: 10px;
}

.diff-json-new,
.diff-json-old,
.diff-json-deleted,
.diff-json-added,  {
  color: $diff-json-changed-fg;

  & .diff-line-number { color: $diff-json-changed-num; }
}

.diff-json-new { background-color: $diff-json-new; }
.diff-json-old { background-color: $diff-json-old; }
.diff-json-added { background-color: $diff-json-added; }
.diff-json-deleted { background-color: $diff-json-deleted; }

.diff-value {
  user-select: all;
}

// Basic
.diff-circle { margin-right: .5em; }
.diff-circle-changed { color: #f59433; }
.diff-circle-added   { color: #29D761; }
.diff-circle-deleted { color: #fd474a; }

.diff-item-added, .diff-item-deleted { list-style: none; }

.diff-group {
  background: $diff-group-bg;
  font-size: 16px;
  font-style: normal;
  padding: 10px 15px;
  margin: 1rem 0;

  & .diff-group { padding: 0 5px; }
}

.diff-group-name {
  display: inline-block;
  width: 100%;
  font-size: 16px;
  padding-left: 1.75em;
  margin: 0 0 14px 0;
}

.diff-summary-key {
  padding-left: .25em;
}

.diff-list {
  padding-left: 40px;

  & .diff-list { padding-left: 0; }
}

.diff-item {
  color: $gray-2;
  line-height: 2.5;

  & > div { display: inline; }
}

.diff-item-changeset {
  list-style: none;
}

.diff-label {
  background-color: $diff-label-bg;
  border-radius: 3px;
  color: $diff-label-fg;
  display: inline;
  font-size: .95rem;
  margin: 0 5px;
  padding: 3px 8px;
}

.diff-linenum {
  float: right;
}

.diff-arrow {
  color: $diff-arrow-color;
}

.diff-block {
  width: 100%;
  display: inline-block;
}

.diff-block-title {
  font-size: 16px;
  display: inline-block;
}

.diff-title {
  font-size: 16px;
}

.diff-change-container {
  margin: 0 0;
  padding-left: 3em;
  padding-right: 0;
}

.diff-change-group {
  width: 100%;
  color: rgba(223,224,225, .6);
  margin-bottom: 14px;
}

.diff-change-item {
  display: inline-block;
}

.diff-change-title {
  font-size: 16px;
}

.bullet-position-container {
  position: relative;
  left: -6px;
}

.diff-list-circle {
  font-size: 10px;
}