proper modified icon + popup

src/components/settings_modal/helpers/boolean_setting.vue

@@ -13,23 +13,23 @@
         >
         <slot />
       </span>
+      <ModifiedIcon :changed="isChanged" />
     </Checkbox>
-    <span v-if="isChanged">
-      <strong>CHANGED</strong>
-    </span>
   </label>
 </template>
 
 <script>
 import { get, set } from 'lodash'
 import Checkbox from 'src/components/checkbox/checkbox.vue'
+import ModifiedIcon from './modified_icon.vue'
 export default {
   props: [
     'path',
     'disabled'
   ],
   components: {
-    Checkbox
+    Checkbox,
+    ModifiedIcon
   },
   computed: {
     pathDefault () {

src/components/settings_modal/helpers/modified_icon.vue

@@ -0,0 +1,46 @@
+<template>
+  <span
+    v-if="changed"
+    class="ModifiedIcon"
+    >
+    <Popover
+      trigger="hover"
+      >
+      <i
+        slot="trigger"
+        class="icon icon-wrench"
+        />
+      <div
+        class="modified-tooltip"
+        slot="content"
+        >
+      {{ $t('settings.setting_changed') }}
+      </div>
+    </Popover>
+  </span>
+</template>
+
+<script>
+import Popover from 'src/components/popover/popover.vue'
+export default {
+  props: ['changed'],
+  components: { Popover }
+}
+</script>
+
+<style lang="scss">
+.ModifiedIcon {
+  display: inline-block;
+  position: relative;
+
+  .icon {
+    display: inline-block;
+  }
+
+  .modified-tooltip {
+    margin: 0.5em 1em;
+    min-width: 10em;
+    text-align: center;
+  }
+}
+</style>

src/i18n/en.json

@@ -240,6 +240,7 @@
   "settings": {
     "app_name": "App name",
     "security": "Security",
+    "setting_changed": "Setting is different from default",
     "enter_current_password_to_confirm": "Enter your current password to confirm your identity",
     "mfa": {
       "otp": "OTP",