Fix "+" replacing space on rendered image

static/canvas.js

@@ -22,7 +22,7 @@ let params = {};
 if (window.location.search) {
   let splitParams = window.location.search.split('?')[1].split('&');
   for (let i in splitParams) {
-    params[splitParams[i].split('=')[0]] = decodeURIComponent(splitParams[i].split('=')[1]);
+    params[splitParams[i].split('=')[0]] = decodeURIComponent(splitParams[i].split('=')[1].replace(/\+/, ' '));
   }
 }
 

static/style.css

-/* General */
-
+/* Common */
 html {
   box-sizing: border-box;
 }
@@ -74,7 +73,6 @@ html[lang="fr"] #frButton {
   cursor: default;
 }
 
-
 nav > .active-tab {
   background-color: #3b68b0;
 }