diff --git a/composer/report/field.py b/composer/report/field.py
index 06b2abc..5241e87 100644
--- a/composer/report/field.py
+++ b/composer/report/field.py
@@ -48,6 +48,10 @@ class Field(Component):
     colspan=1
     colwidth='auto'
     coltextalign='left'
+    colbordertop='1px solid #000'
+    colborderright='1px solid #000'
+    colborderbottom='1px solid #000'
+    colborderleft='1px solid #000'
 
     executionSteps = ['query', 'sort', 'output']    # , 'totals']