diff --git a/apps/i2ptunnel/jsp/themes/light/i2ptunnel.css b/apps/i2ptunnel/jsp/themes/light/i2ptunnel.css
index b3b47e62bcdaba62dd0c6598560600bc2398e2fb..0cbb7ef63b9fd51ffd2cd6435fd82a4fc7f99f2e 100644
--- a/apps/i2ptunnel/jsp/themes/light/i2ptunnel.css
+++ b/apps/i2ptunnel/jsp/themes/light/i2ptunnel.css
@@ -955,6 +955,7 @@ input.tunnelName, input.tunnelDescriptionText, #userAgents, .freetext.tunnelDesc
 
 #customOptions {
     margin-top: 15px !important;
+    width: 99%;
 }
 
 #tunnelDepth, #tunnelVariance, #tunnelQuantity, #tunnelBackupQuantity,