Merge pull request #1699 from nhsuk/fix-date-input-alignment-ios18

Prevent date inputs shifting alignment on iOS 18

Author: colinrotherham

src/nhsuk/components/date-input/_index.scss

@@ -21,6 +21,11 @@
     display: inline-block;
     margin-right: nhsuk-spacing(4);
     margin-bottom: 0;
+
+    // Prevents an issue in iOS Safari 18 where the items vertically
+    // shift when the value of inputs is changed.
+    // https://github.com/alphagov/reported-bugs/issues/90
+    vertical-align: bottom;
   }
 
   .nhsuk-date-input__label {