diff --git a/fastkml/styles.py b/fastkml/styles.py
index 48240c65..e4521b4c 100644
--- a/fastkml/styles.py
+++ b/fastkml/styles.py
@@ -352,9 +352,7 @@ def strtobool(val: str) -> int:
             val = val.lower()
             if val == "false":
                 return 0
-            if val == "true":
-                return 1
-            return int(float(val))
+            return 1 if val == "true" else int(float(val))
 
         super().from_element(element)
         fill = element.find(f"{self.ns}fill")
@@ -628,7 +626,7 @@ def from_element(self, element: Element) -> None:
             key = pair.find(f"{self.ns}key")
             style = pair.find(f"{self.ns}Style")
             style_url = pair.find(f"{self.ns}styleUrl")
-            if key is None:
+            if key is None or key.text not in ["highlight", "normal"]:
                 raise ValueError
             elif key.text == "highlight":
                 if style is not None:
@@ -640,7 +638,7 @@ def from_element(self, element: Element) -> None:
                 else:
                     raise ValueError
                 self.highlight = highlight
-            elif key.text == "normal":
+            else:
                 if style is not None:
                     normal = Style(self.ns)
                     normal.from_element(style)
@@ -650,8 +648,6 @@ def from_element(self, element: Element) -> None:
                 else:
                     raise ValueError
                 self.normal = normal
-            else:
-                raise ValueError
 
     def etree_element(
         self,
diff --git a/tests/base_test.py b/tests/base_test.py
index 5158ca0d..4b6b242e 100644
--- a/tests/base_test.py
+++ b/tests/base_test.py
@@ -72,7 +72,7 @@ class Test(base._BaseObject):
 
     def test_base_from_element_raises(self) -> None:
         be = base._BaseObject()
-        element = cast(types.Element, config.etree.Element(config.KMLNS + "Base"))  # type: ignore[attr-defined]
+        element = cast(types.Element, config.etree.Element(f"{config.KMLNS}Base"))
 
         with pytest.raises(TypeError):
             be.from_element(element=element)