diff --git a/doc/themes/nekui/layout/layout.ejs b/doc/themes/nekui/layout/layout.ejs
index f720ba41..8de2b7ce 100644
--- a/doc/themes/nekui/layout/layout.ejs
+++ b/doc/themes/nekui/layout/layout.ejs
@@ -78,9 +78,16 @@
 
         <!-- fastclick -->
         <script src="//cdnjs.cloudflare.com/ajax/libs/fastclick/1.0.6/fastclick.min.js"></script>
+        <script src="/js/scrollIntoView.min.js"></script>
         <script>
         document.addEventListener('DOMContentLoaded', function() {
-          FastClick.attach(document.body)
+          FastClick.attach(document.body);
+
+          scrollIntoView(document.querySelector('.sidebar .submenu a.current'), {
+            validTarget: function(target, parentsScrolled){
+                return parentsScrolled < 2 && target !== window && target.matches('.sidebar');
+            },
+          });
         }, false)
         </script>
     </body>
diff --git a/doc/themes/nekui/source/js/scrollIntoView.min.js b/doc/themes/nekui/source/js/scrollIntoView.min.js
new file mode 100644
index 00000000..8411b7be
--- /dev/null
+++ b/doc/themes/nekui/source/js/scrollIntoView.min.js
@@ -0,0 +1,7 @@
+(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+  function raf(t){if("requestAnimationFrame"in window)return window.requestAnimationFrame(t);setTimeout(t,16)}function setElementScroll(t,e,n){t===window?t.scrollTo(e,n):(t.scrollLeft=e,t.scrollTop=n)}function getTargetScrollLocation(t,e,n){var i,l,o,r,a,f,s,c=t.getBoundingClientRect(),d=n&&null!=n.left?n.left:.5,u=n&&null!=n.top?n.top:.5,g=n&&null!=n.leftOffset?n.leftOffset:0,m=n&&null!=n.topOffset?n.topOffset:0,w=d,h=u;if(e===window)f=Math.min(c.width,window.innerWidth),s=Math.min(c.height,window.innerHeight),l=c.left+window.pageXOffset-window.innerWidth*w+f*w,o=c.top+window.pageYOffset-window.innerHeight*h+s*h,o-=m,r=(l-=g)-window.pageXOffset,a=o-window.pageYOffset;else{f=c.width,s=c.height,i=e.getBoundingClientRect();var p=c.left-(i.left-e.scrollLeft),E=c.top-(i.top-e.scrollTop);l=p+f*w-e.clientWidth*w,o=E+s*h-e.clientHeight*h,l=Math.max(Math.min(l,e.scrollWidth-e.clientWidth),0),o=Math.max(Math.min(o,e.scrollHeight-e.clientHeight),0),o-=m,r=(l-=g)-e.scrollLeft,a=o-e.scrollTop}return{x:l,y:o,differenceX:r,differenceY:a}}function animate(t){raf(function(){var e=t._scrollSettings;if(e){var n=getTargetScrollLocation(e.target,t,e.align),i=Date.now()-e.startTime,l=Math.min(1/e.time*i,1);if(i>e.time+20)return setElementScroll(t,n.x,n.y),t._scrollSettings=null,e.end(COMPLETE);var o=1-e.ease(l);setElementScroll(t,n.x-n.differenceX*o,n.y-n.differenceY*o),animate(t)}})}function transitionScrollTo(t,e,n,i){function l(t){e._scrollSettings=null,e.parentElement&&e.parentElement._scrollSettings&&e.parentElement._scrollSettings.end(t),i(t),e.removeEventListener("touchstart",o)}var o,r=!e._scrollSettings,a=e._scrollSettings,f=Date.now();a&&a.end(CANCELED),e._scrollSettings={startTime:a?a.startTime:Date.now(),target:t,time:n.time+(a?f-a.startTime:0),ease:n.ease,align:n.align,end:l},o=l.bind(null,CANCELED),e.addEventListener("touchstart",o),r&&animate(e)}function defaultIsScrollable(t){return t===window||(t.scrollHeight!==t.clientHeight||t.scrollWidth!==t.clientWidth)&&"hidden"!==getComputedStyle(t).overflow}function defaultValidTarget(){return!0}var COMPLETE="complete",CANCELED="canceled";module.exports=function(t,e,n){if(t){"function"==typeof e&&(n=e,e=null),e||(e={}),e.time=isNaN(e.time)?1e3:e.time,e.ease=e.ease||function(t){return 1-Math.pow(1-t,t/2)};for(var i=t.parentElement,l=0,o=e.validTarget||defaultValidTarget,r=e.isScrollable;i;){if(o(i,l)&&(r?r(i,defaultIsScrollable):defaultIsScrollable(i))&&(l++,transitionScrollTo(t,i,e,function(t){--l||n&&n(t)})),!(i=i.parentElement))return;"BODY"===i.tagName&&(i=window)}}};
+
+},{}],2:[function(require,module,exports){
+  window.scrollIntoView=require("./scrollIntoView");
+
+},{"./scrollIntoView":1}]},{},[2]);
\ No newline at end of file