fix(docs): Easy readability of documentation in mobile view (#42572)

Co-authored-by: PrashantSakre <prashantsakre@Prashants-mac-mini.local>

docs/_theme.css

@@ -60,6 +60,10 @@ body .content {
   .universal-nav a.translations-link {
     visibility: hidden;
   }
+
+  body .content {
+    max-width: 100%;
+  }
 }
 
 /****** Cover Page ******/
@@ -316,6 +320,13 @@ body.close .github-corner {
   color: var(--text-color-tertiary);
 }
 
+@media screen and (max-width: 768px) {
+  .markdown-section {
+    max-width: 90%;
+    padding: 40px 15px 40px 15px;
+  }
+}
+
 /****** CODE HIGHLIGHTING ******/
 .token.string {
   color: #42b983;