diff --git a/src/app/route/route.component.html b/src/app/route/route.component.html
index 864c784..41bb8bb 100644
--- a/src/app/route/route.component.html
+++ b/src/app/route/route.component.html
@@ -16,7 +16,7 @@
             <div class="flex items-center m-1">
               <label class="mr-2 text-gray-300"> input: </label>
               <select
-                class="pl-1 border-2 border-gray-200 text-gray-200 border-solid rounded-sm"
+                class="pl-1 border-2 border-gray-200 text-gray-200 border-solid rounded-sm w-full"
                 formControlName="input"
               >
                 @for (option of moduleIds(); track option) {
@@ -33,7 +33,7 @@
             <div class="flex items-center m-1">
               <label class="mr-2 text-gray-300"> output: </label>
               <select
-                class="pl-1 border-2 border-gray-200 text-gray-200 border-solid rounded-sm"
+                class="pl-1 border-2 border-gray-200 text-gray-200 border-solid rounded-sm w-full"
                 formControlName="output"
               >
                 @for (option of moduleIds(); track option) {