change text colour in dark mode

app.py

@@ -161,21 +161,27 @@ demo = gr.Blocks(css=custom_css)
 with demo:
     gr.HTML(f"""
         <div style="text-align: center; margin-top: 2em; margin-bottom: 1em;">
-            <img src="data:image/png;base64,{b64_string}" alt="KlusterAI logo" style="height: 80px; display: block; margin-left: auto; margin-right: auto;" />
-            <div style="font-size: 2.5em; font-weight: bold; margin-top: 0.4em;">
-                LLM Hallucination Detection <span style="color: #0057ff;">Leaderboard</span>
+            <img src="data:image/png;base64,{b64_string}" alt="KlusterAI logo"
+                style="height: 80px; display: block; margin-left: auto; margin-right: auto;" />
+            
+            <div style="font-size: 2.5em; font-weight: bold; margin-top: 0.4em; color: var(--text-color);">
+                LLM Hallucination Detection <span style="color: var(--link-color);">Leaderboard</span>
             </div>
-            <div style="font-size: 1.5em; color: #444; margin-top: 0.5em;">
+            
+            <div style="font-size: 1.5em; margin-top: 0.5em; color: var(--text-color);">
                 Evaluating factual accuracy and faithfulness of LLMs in both RAG and real-world knowledge settings with
-                <a href="https://platform.kluster.ai/verify" target="_blank" style="color: #0057ff; text-decoration: none;">
+                <a href="https://platform.kluster.ai/verify" target="_blank"
+                style="color: var(--link-color); text-decoration: none;">
                     Verify
                 </a> by
-                <a href="https://platform.kluster.ai/" target="_blank" style="color: #0057ff; text-decoration: none;">
+                <a href="https://platform.kluster.ai/" target="_blank"
+                style="color: var(--link-color); text-decoration: none;">
                     kluster.ai
                 </a>
             </div>
         </div>
-    """)
+        """)
+
 
     # gr.Markdown(INTRODUCTION_TEXT, elem_classes="markdown-text")