У вашего броузера проблема в совместимости с HTML5
When starting up a new libGDX environment, you may see an error with the following message:
"Could not resolve all files for configuration ':classpath'
and
"Could not find com.android.tools.build:gradle:3.0.1"
The solution detailed in this video is taken from this StackOverflow post: https://stackoverflow.com/a/46977035