diff --git a/stylesheets/bunker_like.css b/stylesheets/bunker_like.css
index 3efa049e..578cad15 100644
--- a/stylesheets/bunker_like.css
+++ b/stylesheets/bunker_like.css
@@ -76,6 +76,7 @@ input[type="text"], input[type="password"], textarea, select {
     font-family: Courier, monospace;
     margin: 0 1px;
     padding: 3px !important;
+    box-sizing: border-box;
 }
 
 input[type="text"]:focus, input[type="password"]:focus, textarea:focus {