[css-forms-1] Remove ::slider-track from layout rule

Author: lukewarlow

css-forms-1/Overview.bs

@@ -801,11 +801,10 @@ progress {
 
 ## Layout ## {#stylesheet-layout}
 ```css
-input:not([type=file], [type=range]),
+input:not([type=file]),
 textarea,
 button,
 ::file-selector-button,
-::slider-track,
 select,
 meter,
 progress {
@@ -821,6 +820,7 @@ ISSUE: Refine meter, progress, switch and range input styling.
 ```css
 ::slider-track {
   height: 1em;
+  background-color: transparent;
 }
 
 ::slider-fill {
@@ -1031,8 +1031,8 @@ select::picker-icon {
 
 <h2 class=no-num id=changes>Changes</h2>
 
-<h3 class=no-num id=changes-20250325>Since the 
-  <a href="https://www.w3.org/TR/2025/WD-css-forms-1-20250325/">First 
+<h3 class=no-num id=changes-20250325>Since the
+  <a href="https://www.w3.org/TR/2025/WD-css-forms-1-20250325/">First
     Public Working Draft</a> of 25 March 2025</h3>
 
 <ul>