polish selectors

Author: vursen

packages/grid/src/styles/vaadin-grid-base-styles.js

@@ -215,12 +215,10 @@ export const gridStyles = css`
     border-inline-start-style: solid;
   }
 
-  [part~='last-frozen-cell'] {
-    &:not([part~='last-column-cell']) {
-      border-inline-end-style: solid;
-    }
+  [part~='last-frozen-cell']:not([part~='last-column-cell']) {
+    border-inline-end-style: solid;
 
-    &:not([part~='last-column-cell']) + [part~='cell'] {
+    & + [part~='cell'] {
       border-inline-start-style: none;
     }
   }
@@ -508,9 +506,9 @@ export const gridStyles = css`
     inset-block-end: 0;
   }
 
-  :host([overflow~='top']) #table:not([has-footer]) {
-    [part~='last-row'] [part~='details-cell']::after,
-    [part~='last-row']:not([part~='details-opened-row']) [part~='last-row-cell']::after {
+  [part~='last-row'] [part~='details-cell']::after,
+  [part~='last-row']:not([part~='details-opened-row']) [part~='last-row-cell']::after {
+    :host([overflow~='top']) #table:not([has-footer]) & {
       inset-block-end: 0;
     }
   }