fix: disabled button appearance fix - problem caused by including -we…

…bkit-file-upload-button in the selector

css/elements/buttons.pcss

@@ -13,7 +13,6 @@
   justify-content: center;
   width: auto;
   height: var(--button-height, 2.25rem);
-  overflow: visible;
   margin: 0;
   padding: var(--button-vertical-padding, 0) var(--button-horizontal-padding, 1rem);
   border: var(--button-border-width, 1px) solid var(--button-border-color, hsl(210, 100%, 50%));
@@ -64,7 +63,6 @@ apply mixin to:
 */
 @custom-selector :--button
   button,
-  ::-webkit-file-upload-button,
   [role='button'],
   [type='button'],
   [type='submit'],
@@ -74,6 +72,11 @@ apply mixin to:
   @mixin button;
 }
 
+/* styling file input button like a button */
+::-webkit-file-upload-button {
+  @mixin button;
+}
+
 /* future-proof disabling of clicks on `<a>` elements */
 fieldset[disabled] [role='button'] {
   pointer-events: none;