Show cross to active Locations continent and change buttons behaviours

Active filtered continent stays pink instead of using opacity on the other ones

src/style/atoms/_button.scss

@@ -21,7 +21,6 @@
     // Icon
     :global(img), :global(svg) {
         display: block;
-        margin-right: 12px;
         color: $color-gray;
         transition: color 0.3s;
     }
@@ -135,4 +134,19 @@
             background: darken($color-button, 2.5);
         }
     }
+
+
+    /*
+    ** Icons variants
+    */
+    &.has-icon-before {
+        :global(img), :global(svg) {
+            margin-right: 12px;
+        }
+    }
+    &.has-icon-after {
+        :global(img), :global(svg) {
+            margin-left: 12px;
+        }
+    }
 }