Update documentation color from google tpu section (huggingface#2113)

* Update documentation color from google tpu section

* fix

Author: echarlaix

docs/source/index.mdx

@@ -43,7 +43,7 @@ The packages below enable you to get the best of the 🤗 Hugging Face ecosystem
       <p class="text-gray-700">Accelerate your training and inference workflows with <span class="underline" onclick="event.preventDefault(); window.open('https://aws.amazon.com/machine-learning/trainium/', '_blank');">AWS Trainium</span> and <span class="underline" onclick="event.preventDefault(); window.open('https://aws.amazon.com/machine-learning/inferentia/', '_blank');">AWS Inferentia</span></p>
     </a>
     <a class="!no-underline border dark:border-gray-700 p-5 rounded-lg shadow hover:shadow-lg" href="https://huggingface.co/docs/optimum-tpu/index"
-      ><div class="w-full text-center bg-gradient-to-tr from-blue-200 to-blue-600 rounded-lg py-1.5 font-semibold mb-5 text-white text-lg leading-relaxed">Google TPUs</div>
+      ><div class="w-full text-center bg-gradient-to-tr from-blue-500 to-blue-600 rounded-lg py-1.5 font-semibold mb-5 text-white text-lg leading-relaxed">Google TPUs</div>
       <p class="text-gray-700">Accelerate your training and inference workflows with <span class="underline" onclick="event.preventDefault(); window.open('https://cloud.google.com/tpu', '_blank');">Google TPUs</span></p>
     </a>
     <a class="!no-underline border dark:border-gray-700 p-5 rounded-lg shadow hover:shadow-lg" href="./habana/index"
@@ -57,10 +57,6 @@ The packages below enable you to get the best of the 🤗 Hugging Face ecosystem
   </div>
 </div>
 
-> [!TIP]
-> Some packages provide hardware-agnostic features (e.g. INC interface in Optimum Intel).
-
-
 ## Open-source integrations
 
 🤗 Optimum also supports a variety of open-source frameworks to make model optimization very easy.