ntain-intrinsic-height: 100px;
}
select {
  padding: 0;
  border: solid;
  margin: 5px;
}
.test {
  contain: size;
}
</style>

<!-- To measure the size of an empty <select> without size containment -->
<select id="reference"></select>

<select class="test ciw-none cih-none"
    data-expected-client-width="default" data-expected-client-height="default"></select>
<select class="test ciw-none cih-0"
    data-expected-client-width="default" data-expected-client-height="0"></select>
<select class="test ciw-none 