Replace loading of style.css with contents of css dir

src/shared_page.py

@@ -7,8 +7,12 @@ from data_storage import initialize_data_storage, login_by_token
 
 def get_local_style():
     code_str = ""
-    with open(os.path.join(os.path.dirname(__file__), "style.css")) as f:
-        code_str = "<style>{}</style>".format(f.read())
+
+    css_dir = os.path.join(os.path.dirname(__file__), "css")
+    for css_file in os.listdir(css_dir):
+        with open(os.path.join(css_dir, css_file)) as f:
+            code_str += "<style>{}</style>".format(f.read())
+            code_str += "\n"
     return code_str