diff --git a/app/javascript/styles/global.css b/app/javascript/styles/global.css
index 9e115479..9f82d06c 100644
--- a/app/javascript/styles/global.css
+++ b/app/javascript/styles/global.css
@@ -573,6 +573,7 @@ pre {
 .w100PC { width: 100%; }
 .w50PC { width: 50%; }
 .w48PC { width: 48%; }
+.w33PC { width: 33.32%; }
 .w25PC { width: 25%; }
 .w1255PX { width: 1255px; }
 .w1015PX { width: 1015px; }