tighter security

cbreader/settings/base.py

@@ -151,7 +151,7 @@ BOOTSTRAP4 = {
     },
 }
 CSP_DEFAULT_SRC = ("'none'",)
-CSP_STYLE_SRC = ("'self'", "'unsafe-inline'")
+CSP_STYLE_SRC = ("'self'",)
 CSP_IMG_SRC = ("'self'", "data:")
 CSP_FONT_SRC = ("'self'",)
 CSP_SCRIPT_SRC = ("'self'", "'sha256-khnq7MWUoC3fJlH98ZjaCbVOvyd5+vnfVyue/ca55JA='")