diff --git a/src/theme.css b/src/theme.css
index 22f637f..12e7682 100644
--- a/src/theme.css
+++ b/src/theme.css
@@ -29,9 +29,23 @@ p {
 code {
   font-family: 'Courier New', Courier, monospace;
 }
-th {
-  font-weight: normal;
+
+table {
+  border-spacing: 0;
+  border-collapse: collapse;
+  margin: 1em 0 0;
+  width: 100%;
 }
+th, td {
+  padding: 2px 0 2px 2px;
+  border-width: 1px;
+  border-style: solid;
+}
+th {
+  font-weight: bold;
+  text-align: left;
+}
+
 ul {
   margin-top:15px;
 }