diff --git a/www/build.sh b/www/build.sh
index e7e37a2d787682b54bfb4ca5825afb08753e56b7..33480b32f2ce35b6289c3592c298339515907b9f 100755
--- a/www/build.sh
+++ b/www/build.sh
@@ -1,5 +1,9 @@
 #!/bin/bash
 cd "$(dirname "$0")"
 wget -O out/bootstrap.min.css https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css
+echo "/* custom style */" >> out/bootstrap.min.css
+cat style.css >> out/bootstrap.min.css
+
 
 pandoc -s -T "Benchmarks of Deductive Database Systems, Relational Databases, and Graph Databases" --toc -c bootstrap.min.css index.md -o out/index.html
+sed -i -e 's/<table>/<table class="table table-striped table-bordered table-sm">/g' out/*.html
diff --git a/www/style.css b/www/style.css
new file mode 100644
index 0000000000000000000000000000000000000000..67ba63562bea610521e8489cbaa7774247deb71d
--- /dev/null
+++ b/www/style.css
@@ -0,0 +1,10 @@
+body {
+  margin: 4em;
+  margin-top: 2em;
+}
+h3 {
+  font-size: 1.5rem;
+  padding-top: 0.5em;
+}
+
+h2 { padding-top: 1em; }
diff --git a/www/upload.sh b/www/upload.sh
old mode 100644
new mode 100755