diff --git a/nummi/main/static/main/css/main.css b/nummi/main/static/main/css/main.css
index 671d522..552e652 100644
--- a/nummi/main/static/main/css/main.css
+++ b/nummi/main/static/main/css/main.css
@@ -11,6 +11,7 @@
 	--theme-2: var(--theme);
 	--theme-3: #802653;
 	--theme-4: #cc6699;
+	--gray: #dedede;
 
 	--text-theme: var(--text);
 
diff --git a/nummi/main/static/main/css/plot.css b/nummi/main/static/main/css/plot.css
index 034ea56..a3db30c 100644
--- a/nummi/main/static/main/css/plot.css
+++ b/nummi/main/static/main/css/plot.css
@@ -7,6 +7,7 @@
 .plot col.icon {width: 1ch}
 .plot tr {
 	padding-bottom: .5rem;
+	border: .1rem solid var(--gray);
 }
 .plot th {text-align: left}
 .plot th.r {text-align: right}