diff --git a/screens/PlanexScreen.js b/screens/PlanexScreen.js
index a0e29a5..434e1d9 100644
--- a/screens/PlanexScreen.js
+++ b/screens/PlanexScreen.js
@@ -15,27 +15,42 @@ const PLANEX_URL = 'http://planex.insa-toulouse.fr/';
 const CUSTOM_CSS_GENERAL = 'https://srv-falcon.etud.insa-toulouse.fr/~amicale_app/custom_css/planex/customMobile2.css';
 const CUSTOM_CSS_NIGHTMODE = 'https://srv-falcon.etud.insa-toulouse.fr/~amicale_app/custom_css/planex/customDark2.css';
 
-// Remove transparency to planex items to prevent invisible items
-const REMOVE_ALPHA_FUNCTION_INJECTED =
-    'function removeAlpha() {' +
-    '   $(".fc-event-container .fc-event").each(function(index) {' +
-    '       let bg = $(this).css("background-color");' +
-    '       if (bg.match("^rgba")) {' +
-    '           let a = bg.slice(5).split(\',\');' +
-    '           let newBg = \'rgb(\' + a[0] + \',\' + parseInt(a[1]) + \',\' + parseInt(a[2]) + \')\';' +
-    '           $(this).css("background-color", newBg);' +
-    '       };' +
-    '   });' +
-    '}';
+// JS + JQuery functions used to remove alpha from events. Copy paste in browser console for quick testing
+// function removeAlpha(node) {
+//     console.log(node);
+//     let bg = node.css("background-color");
+//     if (bg.match("^rgba")) {
+//         let a = bg.slice(5).split(',');
+//         let newBg ='rgb(' + a[0] + ',' + parseInt(a[1]) + ',' + parseInt(a[2]) + ')';
+//         node.css("background-color", newBg);
+//     }
+// }
+// let observer = new MutationObserver(function(mutations) {
+//     for (let i = 0; i < mutations.length; i++) {
+//         if (mutations[i]['addedNodes'].length > 0 && $(mutations[i]['addedNodes'][0]).hasClass("fc-event"))
+//             removeAlpha($(mutations[i]['addedNodes'][0]))
+//     }
+// });
+// observer.observe(document.querySelector(".fc-body"), {attributes: false, childList: true, characterData: false, subtree:true});
 
 // Watch for changes in the calendar and call the remove alpha function
 const OBSERVE_MUTATIONS_INJECTED =
-    'let observer = new MutationObserver(function(mutations) {' +
-    '   removeAlpha();' +
-    '});' +
-    'observer.observe(document.querySelector(".fc-body"), {attributes: false, childList: true, characterData: false, subtree:true});';
-
-
+    'function removeAlpha(node) {\n' +
+    '    console.log(node);\n' +
+    '   let bg = node.css("background-color");\n' +
+    '   if (bg.match("^rgba")) {\n' +
+    '       let a = bg.slice(5).split(\',\');\n' +
+    '       let newBg =\'rgb(\' + a[0] + \',\' + parseInt(a[1]) + \',\' + parseInt(a[2]) + \')\';\n' +
+    '       node.css("background-color", newBg);\n' +
+    '   }\n' +
+    '}' +
+    'let observer = new MutationObserver(function(mutations) {\n' +
+    '    for (let i = 0; i < mutations.length; i++) {\n' +
+    '        if (mutations[i][\'addedNodes\'].length > 0 && $(mutations[i][\'addedNodes\'][0]).hasClass("fc-event"))\n' +
+    '            removeAlpha($(mutations[i][\'addedNodes\'][0]))\n' +
+    '    }\n' +
+    '});\n' +
+    'observer.observe(document.querySelector(".fc-body"), {attributes: false, childList: true, characterData: false, subtree:true});\n';
 /**
  * Class defining the app's planex screen.
  * This screen uses a webview to render the planex page
@@ -48,7 +63,6 @@ export default class PlanexScreen extends React.Component<Props> {
         super();
         this.customInjectedJS =
             '$(document).ready(function() {' +
-            REMOVE_ALPHA_FUNCTION_INJECTED +
             OBSERVE_MUTATIONS_INJECTED +
             '$("head").append(\'<meta name="viewport" content="width=device-width, initial-scale=1.0">\');' +
             '$("head").append(\'<link rel="stylesheet" href="' + CUSTOM_CSS_GENERAL + '" type="text/css"/>\');';