diff --git a/web/styles/portico/activity.css b/web/styles/portico/activity.css
index 6fd04d5126..17ca7fad9d 100644
--- a/web/styles/portico/activity.css
+++ b/web/styles/portico/activity.css
@@ -92,6 +92,23 @@ tr.admin td:first-child {
 .support-discount-form {
     position: relative;
     top: -50px;
+
+    & input {
+        padding: 4px 6px;
+        border-radius: 4px;
+        border: 1px solid hsl(0deg 0% 80%);
+        color: hsl(0deg 0% 33%);
+        margin-bottom: 10px;
+        transition: border linear 0.2s, box-shadow linear 0.2s;
+        box-shadow: inset 0 1px 1px hsla(0deg 0 0 / 7.5%);
+
+        &:focus {
+            border-color: hsl(206deg 80% 62% / 80%);
+            outline: 0;
+            box-shadow: inset 0 1px 1px hsl(0deg 0% 0% / 7.5%),
+                0 0 8px hsl(206.494deg 80% 62% / 60%);
+        }
+    }
 }
 
 .support-plan-type-form {