gitea/web_src/less/features/codeeditor.less

.monaco-editor-container {
  width: 100%;
  min-height: 200px;
  height: 90vh;
}

.edit.githook .monaco-editor-container {
  border: 1px solid var(--color-secondary);
  height: 70vh;
}

/* overwrite conflicting styles from fomantic */
.monaco-editor-container .inputarea {
  min-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  resize: none !important;
  border: none !important;
  color: transparent !important;
  background-color: transparent !important;
}

/* these seem unthemeable */
.monaco-scrollable-element > .scrollbar > .slider {
  background: var(--color-primary) !important;
}
.monaco-scrollable-element > .scrollbar > .slider:hover {
  background: var(--color-primary-dark-1) !important;
}
.monaco-scrollable-element > .scrollbar > .slider:active {
  background: var(--color-primary-dark-2) !important;
}