if (this.props.isFullscreen && !disableFullscreen) {
      icon = window && window.devicePixelRatio > 1.5 ? (
        <svg x="0px" y="0px" width="10px" height="10px" viewBox="0 0 20 20" style={iconStyle}>
          <path fill="#006400" d="M8.7,10H1l9,8.8v-7.5C9.3,11.2,8.7,10.7,8.7,10z"/>
          <path fill="#006400" d="M11.3,10H19l-9-8.8v7.5C10.7,8.8,11.3,9.3,11.3,10z"/>