Fix invalid CSS property in <wa-select> (#751)

* remove empty selectors

* fix invalid property

* update changelog

docs/docs/resources/changelog.md

@@ -16,8 +16,9 @@ During the alpha period, things might break! We take breaking changes very serio
 
 ### Color Palettes
 
-- Tweaked hues of all color palettes to make them more distinct and make their hues more intentional
 - Added a `pink` scale to all color palettes
+- Fixed an incorrect CSS value in `<wa-select>`'s expand icon
+- Tweaked hues of all color palettes to make them more distinct and make their hues more intentional
 
 ### Design Tokens
 

src/components/details/details.css

@@ -55,12 +55,6 @@ details {
   padding-block-start: var(--spacing);
 }
 
-.show {
-}
-
-.hide {
-}
-
 @keyframes show {
   from {
   }

src/components/select/select.css

@@ -177,7 +177,7 @@
   align-items: center;
   color: var(--wa-color-neutral-on-quiet);
   transition: rotate var(--wa-transition-slow) ease;
-  rotate: 0;
+  rotate: 0deg;
   margin-inline-start: var(--wa-space-s);
 
   .open & {