remove elevation

docs/resources/changelog.md

@@ -12,7 +12,6 @@ A number of users had trouble counting characters that repeat, so this release i
 
 - 🚨 BREAKING: all t-shirt size design tokens now use `2x`, `3x`, `4x` instead of `xx`, `xxx`, `xxxx`
 - Added missing `--sl-focus-ring-*` tokens to dark theme
-- Added a subtle elevation to default buttons to make them more easily identifiable
 - Improved the documentation search with a custom plugin powered by [Lunr](https://lunrjs.com/)
 - Improved the `--sl-shadow-x-small` elevation
 - Improved visibility of elevations and overlays in dark theme

src/components/button/button.styles.ts

@@ -73,7 +73,6 @@ export default css`
     background-color: rgb(var(--sl-color-neutral-0));
     border-color: rgb(var(--sl-color-neutral-300));
     color: rgb(var(--sl-color-neutral-700));
-    box-shadow: var(--sl-shadow-x-small);
   }
 
   .button.button--default:hover:not(.button--disabled) {