Fix Callout

Author: Teddy-van-Jerry

_config.yml

@@ -24,3 +24,29 @@ exclude:
   - Gemfile
   - Gemfile.lock
   - .vscode
+
+callouts:
+  warning:
+    title: Warning
+    color: yellow
+  hint:
+    title: Hint
+    color: grey-lt
+  important:
+    title: Important
+    color: green
+  note:
+    title: Note
+    color: grey-dk
+  tip:
+    title: Tip
+    color: blue
+  caution:
+    title: Caution
+    color: red
+  error:
+    title: Error
+    color: pink
+  attention:
+    title: Attention
+    color: purple

_sass/custom/setup.scss

@@ -0,0 +1,4 @@
+$pink-000: #f77ef1;
+$pink-100: #f967f1;
+$pink-200: #e94ee1;
+$pink-300: #dd2cd4;

rfsoc-pynq/index.md

@@ -25,7 +25,7 @@ However, for package installation including [`RFSoC-MTS`](https://github.com/Xil
 
 Here is a working method to enable internet access on PYNQ used by me.
 
-{: .callout .callout-warning }
+{: .warning }
 > Use at your own risk. Different systems and network environments may require different settings.
 
 ### Prerequisites