Google has marked matx.coderpixel.com as a phishing site. That’s not your domain, of course. However you are using resources from that site.
Specifically you are using several images from matx.coderpixel.com/wp/wp-content/uploads/2016/04, including android_phone.jpg, cloudy_hill.jpg, desk.jpg, keyboard.jpg, and man_with_ipad.jpg.
It is a bad (and unless you have the rights to use these images, illegal) practice to serve images off of someone else’s site. If you choose to anyways, one of the risks is, apparently, that the site you are using will get Google blacklisted and your site will bear the warning as well.
TL;DR remove those images from your site.