diff --git a/public/assets/css/dropdown.css b/public/assets/css/dropdown.css
index 20c5eec..1b0860d 100644
--- a/public/assets/css/dropdown.css
+++ b/public/assets/css/dropdown.css
@@ -12,7 +12,7 @@
 
 .select-box .options-container {
   max-height: 0;
-  width: calc(100% - 12px);
+  width: 100%;
   opacity: 0;
   transition: all 0.4s;
   overflow: hidden;