fix

app/assets/stylesheets/extranet/layout/_default.sass

@@ -10,6 +10,15 @@
             font-size: $small-font-size
         dd
             margin-bottom: px2rem(26)
+        a
+            transition: text-decoration 0.5s
+            text-decoration: underline
+            text-decoration-thickness: 1px
+            text-underline-offset: 4px
+            text-decoration-color: adjust-color(black, $alpha: -0.8)
+            &:hover
+                text-decoration-color: black
+
 
 ul
     list-style: none

app/views/extranet/account/show.html.erb

@@ -16,7 +16,7 @@
     <%= kamifusen_tag @person.best_picture, width: 400, class: 'img-fluid person__portrait' if @person&.best_picture.attached? %>
     <div class="mb-4">
       <%= link_to t('extranet.account.edit'), edit_account_path, class: 'btn btn-primary mb-2' %>
-      <%= link_to t('extranet.account.edit_personal_data'), edit_personal_data_path, class: 'btn btn-primary' %>
+      <%= link_to t('extranet.account.edit_personal_data'), edit_personal_data_path, class: 'btn btn-primary mb-2' %>
     </div>
     <%= render 'extranet/persons/details', person: @person unless @person.nil? %>
   </div>