Stretch critical table cells for affix alignment

src/RolemasterDb.App/wwwroot/app.css

@@ -537,11 +537,15 @@ textarea {
     background: rgba(255, 255, 255, 0.85);
     min-width: 180px;
     max-width: 260px;
+    padding: 0;
 }
 
 .critical-table td .critical-cell {
+    display: flex;
+    flex-direction: column;
     gap: 0.25rem;
     height: 100%;
+    padding: 0.45rem;
 }
 
 .critical-table .roll-band-header {
@@ -560,6 +564,10 @@ textarea {
     margin-top: auto;
 }
 
+.critical-table tbody tr {
+    height: 1px;
+}
+
 .empty-cell {
     color: #a08464;
     font-style: italic;