message: Content props no longer extend HTMLDivElementProps.
diff: @@ -10,7 +10,7 @@ import { CommonProps } from "../utilities/Props";
  import "./Content.scss";
  /** Properties of [[Content]] component. */
  -export interface ContentProps extends CommonProps, React.HTMLAttributes<HTMLDivElement> {
  +export interface ContentProps extends CommonProps {
  /** Actual app content here (i.e. viewport). */
  children?: React.ReactNode;
  }
  @@ -18,17 +18,14 @@ export interface ContentProps extends CommonProps, React.HTMLAttributes<HTMLDivE
  /** Content component of 9-Zone UI app. */
  export class Content extends React.PureComponent<ContentProps> {
  public render() {
  - const { className, ...props } = this.props;
  -
  - const contentClassName = classnames(
  + const className = classnames(
  "nz-app-content",
  this.props.className);
  return (
  <div
  - className={contentClassName}
  + className={className}
  style={this.props.style}
  - {...props}
  >
  {this.props.children}
  </div>
  