several user QoL styling improvements, incl. footer icon .active color painting

src/functional_tests/base.py

@@ -37,9 +37,12 @@ class FunctionalTest(StaticLiveServerTestCase):
     # Helper methods
     def setUp(self):
         options = webdriver.FirefoxOptions()
-        if os.environ.get("HEADLESS"):
+        headless = os.environ.get("HEADLESS")
+        if headless:
             options.add_argument("--headless")
         self.browser = webdriver.Firefox(options=options)
+        if headless:
+            self.browser.set_window_size(1366, 900)
         self.test_server = os.environ.get("TEST_SERVER")
         if self.test_server:
             self.live_server_url = 'http://' + self.test_server

src/functional_tests/test_gameboard.py

@@ -56,6 +56,7 @@ class GameboardNavigationTest(FunctionalTest):
         self.browser.find_element(By.CSS_SELECTOR, ".gear-btn")
         # 3. Assert Coin-on-a-String present in kit
         coin = self.browser.find_element(By.ID, "id_kit_coin_on_a_string")
+        self.browser.execute_script("arguments[0].scrollIntoView({block: 'center'});", coin)
         # 6. Hover over it; assert tooltip shows name, entry text & reuse description
         ActionChains(self.browser).move_to_element(coin).perform()
         self.wait_for(