Address review comments

Author: sepehr-rs

python_docs_theme/static/pydoctheme.css

@@ -6,6 +6,7 @@
     --middle-border: rgb(244, 227, 76);
     --bad-color: rgb(159 49 51);
     --bad-border: rgb(244, 76, 78);
+    --sans-serif-font-stack: -apple-system, BlinkMacSystemFont, avenir next, avenir, segoe ui, helvetica neue, helvetica, Cantarell, Ubuntu, roboto, noto, arial, sans-serif;
 }
 
 /* unset some styles from the classic stylesheet */
@@ -211,7 +212,7 @@ div.sphinxsidebar a:hover {
 form.inline-search input,
 div.sphinxsidebar input,
 div.related input {
-    font-family: -apple-system, BlinkMacSystemFont, avenir next, avenir, segoe ui, helvetica neue, helvetica, Cantarell, Ubuntu, roboto, noto, arial, sans-serif;
+    font-family: var(--sans-serif-font-stack);
     border: 1px solid #999999;
     font-size: smaller;
     border-radius: 3px;
@@ -272,23 +273,24 @@ div.body hr {
 /* Persian (fa) uses Vazirmatn, since the default system font stack renders
    Arabic-script text poorly on many platforms. */
 @font-face {
-    font-family: "Vazirmatn";
+    font-family: "Vazirmatn NL";
     src: url("fonts/Vazirmatn-NL-VF.woff2") format("woff2");
     font-weight: 100 900;
     font-style: normal;
     font-display: swap;
 }
 
-:lang(fa) :is(
-    body,
-    div.body :is(h1, h2, h3, h4, h5, h6),
-    div.sphinxsidebar :is(h3, h4),
+:lang(fa) {
+    :is(div.body, div.sphinxsidebar, .menu-wrapper, div.footer),
+    :is(div.body, div.sphinxsidebar, .menu-wrapper) :is(h1, h2, h3, h4, h5, h6),
+    a,
     input,
     select,
     textarea,
-    button:not(.copybutton)
-) {
-    font-family: Vazirmatn, -apple-system, BlinkMacSystemFont, avenir next, avenir, segoe ui, helvetica neue, helvetica, Cantarell, Ubuntu, roboto, noto, arial, sans-serif;
+    button:not(.copybutton),
+    label {
+        font-family: "Vazirmatn NL", var(--sans-serif-font-stack);
+    }
 }
 
 body[dir='rtl'] {