For @benjamin: here’s more tech infos about browsers issues
With Internet Explorer, from the debugger tool: Impossibile individuare http://127.0.0.1:51704/static/bootstrap/dist/css/less/normalize.less specificato nel mapping di origine http://127.0.0.1:51704/static/bootstrap/dist/css/bootstrap.min.css.map.
- more or less translated to Impossible to locate http://127.0.0.1:51704/static/bootstrap/dist/css/less/normalize.less specified inside the source mapping http://127.0.0.1:51704/static/bootstrap/dist/css/bootstrap.min.css.map.
With Chrome, from the inspector consol - errors log: https://www.dropbox.com/s/2qatvo474shw3ug/chrome%20-%20127.0.0.1-1469392425889.log?dl=0
With Firefox:
consol log: https://www.dropbox.com/s/73nf3eo4c03w4r4/firefox-console-log.txt?dl=0
network log: https://www.dropbox.com/s/0z1io1h7l1rkg55/firefox-network-log.har?dl=0
With Edge:
from the debugger: Impossible to locate http://127.0.0.1:51704/static/bootstrap/dist/css/less/mixins/text-emphasis.less specified inside the source mapping http://127.0.0.1:51704/static/bootstrap/dist/css/bootstrap.min.css.map
from the consol tool: https://www.dropbox.com/s/e7qz0bw1swhwl8e/edge%20console%20log.txt?dl=0
About the graphic gliches with Edge:
Check this video I’ve made with my smartphone: https://www.dropbox.com/s/w8xl7qlzvc5w9up/Edge%20video%20glitch.mp4?dl=0
And here comes the really weird thing: I’ve tried to make a capture video both with OBS and Camtasia. None of them has captured the glitches you can see in the video!!!
Hope this help!! 