Styles documentation for links properties

docs/examples/styles/links.css

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+#custom {
+    width: auto;
+    link-color: black 90%;
+    link-background: dodgerblue;
+    link-style: bold underline;
+}

docs/examples/styles/links.py

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+from textual.app import App, ComposeResult
+from textual.widgets import Static
+
+TEXT = """\
+Here is a [@click='app.bell']link[/] which you can click!
+"""
+
+
+class LinksApp(App):
+    def compose(self) -> ComposeResult:
+        yield Static(TEXT)
+        yield Static(TEXT, id="custom")
+
+
+app = LinksApp(css_path="links.css")
+
+if __name__ == "__main__":
+    app.run()