Hi Yonkoo,
thanks for using MH Magazine lite.
The sections you are referring to are not related to the theme. However, of course you can always use tools like Firebug or your browsers inspection tool to inspect the elements on your site and then add your own CSS code based on your personal requirements.
You may also want to check if the plugin you are using offers options to hide / disable particular sections with content because that would be the most obvious thing to do. For support regarding the plugin, please contact the plugin developer.