UX: use SCSS color variables

UX: use SCSS color variables

diff --git a/app/assets/stylesheets/common/components/ignored-user-list.scss b/app/assets/stylesheets/common/components/ignored-user-list.scss
index a0723fe..6b13f98 100644
--- a/app/assets/stylesheets/common/components/ignored-user-list.scss
+++ b/app/assets/stylesheets/common/components/ignored-user-list.scss
@@ -4,13 +4,15 @@
   display: flex;
   flex-wrap: wrap;
   align-items: center;
-  background-color: #fff;
+  background-color: $secondary;
+  border: 1px solid $primary-medium;
   min-height: 30px;
   box-sizing: border-box;
+  padding: 5px;
 }
 
 .ignored-user-list-item {
-  border: 1px solid #e9e9e9;
+  border: 1px solid $primary-medium;
   border-radius: 0.25em;
   padding: 0;
   display: flex;

GitHub sha: 7ecbf386