diff --git a/main.css b/main.css
index 670e529..89260d1 100644
--- a/main.css
+++ b/main.css
@@ -81,6 +81,9 @@ thead tr{background:#FFF}
 tbody tr:nth-child(odd){background:#EEE}
 tbody tr:hover{background:#DDD}
 
+table.erd{font-size:1rem;width:auto;display:inline-block;margin:.5rem .3rem;vertical-align: top}
+table.erd td, table.erd th{padding:.4rem}
+
 .burger-container{
 position:absolute;height:34px;width:36px;
 cursor:pointer;top:25px;right:1.24rem;