update stylesheets

Author: DininduSenanayake

docs/stylesheets/extra.css

@@ -308,12 +308,12 @@
   }
   .md-typeset .admonition.check-to-slot,
   .md-typeset details.check-to-slot {
-    border-color: rgb(233, 174, 86);
+    border-color: rgb(156, 188, 236);
   }
   .md-typeset .check-to-slot > .admonition-title,
   .md-typeset .check-to-slot > summary {
     color:rgb(250, 250, 253);
-    background-color: rgb(252, 129, 14);
+    background-color: rgb(10, 112, 196);
   }
   .md-typeset .check-to-slot > .admonition-title::before,
   .md-typeset .check-to-slot > summary::before {
@@ -347,11 +347,11 @@
   }
   .md-typeset .admonition.rectangle-list,
   .md-typeset details.rectangle-list {
-    border-color: rgb(215, 216, 153);
+    border-color: rgb(184, 200, 235, 0.788);
   }
   .md-typeset .rectangle-list > .admonition-title,
   .md-typeset .rectangle-list > summary {
-    background-color: rgba(245, 241, 38, 0.788);
+    background-color: rgba(184, 200, 235, 0.788);
   }
   .md-typeset .rectangle-list > .admonition-title::before,
   .md-typeset .rectangle-list > summary::before {