Feedback on Mix?

Mixed this song via a site “Dueling Mixes,” where they offer monthly “shootouts” and there is a community to provide feedback. This was tricky for me as a beginner with 40 tracks. Here’s my “1.7”

Song is “Wallpaper Clouds,” by The Slings. Check them out here -

https://www.dropbox.com/s/xqmen9g2s26bxnk/Wallpaper1.7.wav?dl=0