Fix bubble issue on CHrome

themes/coopgo-theme/assets/sass/coopgo-web-ui-kit/_bubbles.scss

@@ -3,6 +3,7 @@ $bubbleshape: '<svg id="Calque_1" data-name="Calque 1" xmlns="http://www.w3.org/
 
 .bg-bubble {
     mask-image: url("data:image/svg+xml;charset=utf-8,#{$bubbleshape}");
+    -webkit-mask-image: url("data:image/svg+xml;charset=utf-8,#{$bubbleshape}");
 }
 
 .icon-bubble {

themes/coopgo-theme/assets/sass/coopgo-web-ui-kit/_nav.scss

@@ -23,6 +23,18 @@ nav {
                 a {
                     color: inherit;
                     text-decoration: none;
+
+                    img {
+                        height: 1.5em;
+                    }
+                }
+
+                a:hover {
+                    font-weight: bold;
+
+                    img {
+                        height: 1.7em;
+                    }
                 }
             }
         }