diff --git a/css/mobile-first.css b/css/mobile-first.css
index c8b1f77d..df2cab53 100644
--- a/css/mobile-first.css
+++ b/css/mobile-first.css
@@ -1625,6 +1625,7 @@ select.country_code, select.kids_number {
     overflow: hidden;
     padding-left: 10px;
     width: calc(100% - 25px);
+    height: calc(100% - 20px);
     position: absolute;
     background: rgb(0 0 0 / 40%);
     border-radius: 4px 4px 0 0;}