diff --git a/public/style.css b/public/style.css
index 113f823..ab32726 100644
--- a/public/style.css
+++ b/public/style.css
@@ -237,6 +237,11 @@ td:last-child {
   padding-left: 1em;
 }
 
+.die {
+  width: 1em;
+  height: 2ex;
+}
+
 @media screen and (min-resolution: 200dpi) {
   body {
     font-size: 5vw;