diff --git a/styles/sass/welshgov/_application.scss b/styles/sass/welshgov/_application.scss
index 3635f36f..ec673b4d 100644
--- a/styles/sass/welshgov/_application.scss
+++ b/styles/sass/welshgov/_application.scss
@@ -432,6 +432,7 @@ textarea,
     background-color: #fff;
     padding: 7px 15px;
     border: 1px solid #666666;
+    min-width: 15rem;
 
     &:focus {
         outline: 2px solid #ffdd00;