first commit

templates/instytut_dendrologii_/js/mod8.js

@@ -0,0 +1,15 @@
+window.addEventListener('load', () => {
+    addTriangle();
+})
+function addTriangle(){
+
+    document.querySelectorAll('.menu-seminaria ul li').forEach(links => {
+        if(links.classList.contains('active')){
+            console.log(links.innerHTML);
+            links.classList.add('triangle');
+            links.firstChild.style.setProperty('font-weight','600');
+           
+        }
+    })
+
+}