Add example for link hover style.

docs/examples/styles/link_hover_style.css

@@ -0,0 +1,11 @@
+#lbl1, #lbl2 {
+    link-hover-style: bold italic;  /* (1)! */
+}
+
+#lbl3 {
+    link-hover-style: reverse strike;
+}
+
+#lbl4 {
+    link-hover-style: bold;
+}

docs/examples/styles/link_hover_style.py

@@ -0,0 +1,25 @@
+from textual.app import App
+from textual.widgets import Label
+
+
+class LinkHoverStyleApp(App):
+    def compose(self):
+        yield Label(
+            "Visit the [link=https://textualize.io]Textualize[/link] website.",
+            id="lbl1",  # (1)!
+        )
+        yield Label(
+            "Click [@click=app.bell]here[/] for the bell sound.",
+            id="lbl2",  # (2)!
+        )
+        yield Label(
+            "You can also click [@click=app.bell]here[/] for the bell sound.",
+            id="lbl3",  # (3)!
+        )
+        yield Label(
+            "[@click=app.quit]Exit this application.[/]",
+            id="lbl4",  # (4)!
+        )
+
+
+app = LinkHoverStyleApp(css_path="link_hover_style.css")