diff -r c357c4e69b9e -r aa22103809cd src/main/webapp/projects.css
--- a/src/main/webapp/projects.css	Fri Dec 30 13:21:09 2022 +0100
+++ b/src/main/webapp/projects.css	Fri Dec 30 19:04:34 2022 +0100
@@ -138,7 +138,7 @@
     background: darkgray;
 }
 
-hr.comments-separator {
+hr.issue-view-separator {
     border-image-source: linear-gradient(to right, rgba(60, 60, 60, .1), rgba(96, 96, 96, 1), rgba(60, 60, 60, .1));
     border-image-slice: 1;
     border-width: thin;
@@ -189,3 +189,16 @@
 table.issue-view th {
     white-space: nowrap;
 }
+
+table.relation-editor input,
+table.relation-editor button,
+table.relation-editor .button {
+    box-sizing: border-box;
+    width: 100%;
+}
+
+table.relation-editor button,
+table.relation-editor .button {
+    text-align: center;
+    padding: .1em .25em .1em .25em;
+}