gitea/web_src/css/editor-markdown.css

.combo-markdown-editor {
  width: 100%;
}

.combo-markdown-editor markdown-toolbar {
  cursor: default;
  display: flex;
  align-items: center;
  padding-bottom: 10px;
}

.combo-markdown-editor .markdown-toolbar-group {
  display: flex;
}

.combo-markdown-editor .markdown-toolbar-group:last-child {
  flex: 1;
  justify-content: flex-end;
}

.combo-markdown-editor .markdown-toolbar-button {
  border: none;
  background: none;
  user-select: none;
  padding: 5px;
  cursor: pointer;
  color: var(--color-text);
}

.combo-markdown-editor .markdown-toolbar-button:hover {
  color: var(--color-primary);
}

.ui.form .combo-markdown-editor textarea.markdown-text-editor,
.combo-markdown-editor textarea.markdown-text-editor {
  display: block;
  width: 100%;
  min-height: 200px;
  max-height: calc(100vh - 200px);
  resize: vertical;
}

.combo-markdown-editor .CodeMirror-scroll {
  max-height: calc(100vh - 200px);
}

/* use the same styles as markup/content.css */
.combo-markdown-editor .CodeMirror-scroll .cm-header-1 {
  font-size: 2em;
}

.combo-markdown-editor .CodeMirror-scroll .cm-header-2 {
  font-size: 1.5em;
}

.combo-markdown-editor .CodeMirror-scroll .cm-header-3 {
  font-size: 1.25em;
}

.combo-markdown-editor .CodeMirror-scroll .cm-header-4 {
  font-size: 1em;
}

.combo-markdown-editor .CodeMirror-scroll .cm-header-5 {
  font-size: 0.875em;
}

.combo-markdown-editor .CodeMirror-scroll .cm-header-6 {
  font-size: 0.85em;
}

text-expander {
  display: block;
  position: relative;
}

text-expander .suggestions {
  position: absolute;
  min-width: 180px;
  padding: 0;
  margin-top: 24px;
  list-style: none;
  background: var(--color-box-body);
  border-radius: 5px;
  border: 1px solid var(--color-secondary);
  box-shadow: 0 .5rem 1rem var(--color-shadow);
}

text-expander .suggestions li {
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: 4px 8px;
  font-weight: 500;
}

text-expander .suggestions li + li {
  border-top: 1px solid var(--color-secondary-alpha-40);
}

text-expander .suggestions li:first-child {
  border-radius: 4px 4px 0 0;
}

text-expander .suggestions li:last-child {
  border-radius: 0 0 4px 4px;
}

text-expander .suggestions li:only-child {
  border-radius: 4px;
}

text-expander .suggestions li:hover {
  background: var(--color-hover);
}

text-expander .suggestions .fullname {
  font-weight: normal;
  margin-left: 4px;
  color: var(--color-text-light-1);
}

text-expander .suggestions li[aria-selected="true"],
text-expander .suggestions li[aria-selected="true"] span {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}

text-expander .suggestions img {
  width: 24px;
  height: 24px;
  margin-right: 8px;
}