lbry-desktop/ui/scss/component/_markdown-editor.scss

.CodeMirror {
  border: 1px solid var(--color-input-border);
  border-bottom-left-radius: var(--border-radius);
  border-bottom-right-radius: var(--border-radius);
  background: var(--color-input-bg);
  color: var(--color-input);

  .CodeMirror-placeholder {
    opacity: 0.5;
  }
}

.CodeMirror-wrap {
  overflow: hidden;
}

.editor-toolbar {
  background-color: var(--color-header-background);
  border: none;
  border-top-left-radius: var(--border-radius);
  border-top-right-radius: var(--border-radius);
  border-right: 1px solid var(--color-input-border);
  border-top: 1px solid var(--color-input-border);
  border-left: 1px solid var(--color-input-border);

  opacity: 1; // ?

  &:hover {
    opacity: 1; // ?
  }

  &.disabled-for-preview a:not(.no-disable) {
    border-color: transparent;
    opacity: 0.3;
  }

  &.fullscreen {
    &::before,
    &::after {
      display: none;
    }
  }

  button.active {
    &.preview {
      color: var(--color-brand-blue);
    }
  }

  button {
    color: var(--color-header-link);
    border-color: transparent;
    transition: opacity 0.3s ease;
  }

  i.separator {
    border: none;
  }
}

.form-field--SimpleMDE {
  margin-top: var(--spacing-l);

  .cm-s-easymde {
    border-color: var(--color-input-border);
  }

  .cm-s-easymde .CodeMirror-cursor {
    border-left: 1px solid var(--color-editor-cursor);
  }

  .cm-s-easymde .CodeMirror-selected {
    background: var(--color-editor-selected);
  }

  .cm-s-easymde .cm-hr {
    color: var(--color-editor-tag);
  }

  .cm-s-easymde .cm-tag {
    color: var(--color-editor-tag);
  }

  .cm-s-easymde .cm-attribute {
    color: var(--color-editor-attr);
  }

  .cm-s-easymde .cm-string {
    color: var(--color-editor-string);
  }

  .cm-s-easymde .cm-comment {
    background: var(--color-editor-inline-code-bg);
    padding: 3px 0px; // @todo: should fill up line-spacing instead of harcoded.
  }

  .cm-s-easymde .cm-link {
    color: var(--color-editor-link);
  }

  .cm-s-easymde .cm-url {
    color: var(--color-editor-url);
    font-style: italic;
  }

  .cm-s-easymde .cm-quote {
    color: var(--color-editor-quote);
    font-style: italic;
  }

  // Overriding the lbry/components form styling
  .editor-toolbar {
    button:not(.button) {
      padding-right: 0;
      padding-left: 0;
      border: transparent;

      &:hover {
        color: var(--color-header-link-active);
      }
    }
  }
}