Hello, I can not import any theme from Billion Themes. After import the site is blank. I using web browser and CMS is Joomla 3.9.2 Please for answer.

Hello, I have a issue whit the mobile view in joomla. The whole header is a mess. I truly must say that i'm a little disapointed that there is always a issue in the mobile version. I use Themler and...