update

src/_sass/gnome-shell/_common-3-28.scss

@@ -2092,10 +2092,10 @@ Gjs_ui_panel_ActivitiesButton.panel-button {
   -shell-grid-horizontal-item-size: 136px;
   -shell-grid-vertical-item-size: 136px;
 
-  row-spacing: $space-size * 6;
-  column-spacing: $space-size * 6;
-  max-row-spacing: $space-size * 12;
-  max-column-spacing: $space-size * 12;
+  row-spacing: 36px;
+  column-spacing: 36px;
+  max-row-spacing: 72px;
+  max-column-spacing: 72px;
 
   .overview-icon { icon-size: 96px; }
 }

src/_sass/gnome-shell/widgets/_app-grid.scss

@@ -3,7 +3,7 @@
 %icon_tile {
   color: on(dark);
   border-radius: $material-radius * 1.5;
-  padding: $space-size;
+  padding: $space-size * 2;
   border: none;
   transition-duration: $longer-duration;
   text-align: center;

src/gnome-shell/shell-3-28/gnome-shell-Compact.css

@@ -2439,10 +2439,10 @@ Gjs_ui_panel_ActivitiesButton.panel-button:active, Gjs_ui_panel_ActivitiesButton
   spacing: 30px;
   -shell-grid-horizontal-item-size: 136px;
   -shell-grid-vertical-item-size: 136px;
-  row-spacing: 24px;
-  column-spacing: 24px;
-  max-row-spacing: 48px;
-  max-column-spacing: 48px;
+  row-spacing: 36px;
+  column-spacing: 36px;
+  max-row-spacing: 72px;
+  max-column-spacing: 72px;
 }
 
 .icon-grid .overview-icon {

src/gnome-shell/shell-3-28/gnome-shell-Dark-Compact.css

@@ -2439,10 +2439,10 @@ Gjs_ui_panel_ActivitiesButton.panel-button:active, Gjs_ui_panel_ActivitiesButton
   spacing: 30px;
   -shell-grid-horizontal-item-size: 136px;
   -shell-grid-vertical-item-size: 136px;
-  row-spacing: 24px;
-  column-spacing: 24px;
-  max-row-spacing: 48px;
-  max-column-spacing: 48px;
+  row-spacing: 36px;
+  column-spacing: 36px;
+  max-row-spacing: 72px;
+  max-column-spacing: 72px;
 }
 
 .icon-grid .overview-icon {

src/gnome-shell/shell-40-0/gnome-shell-Compact.css

@@ -2387,7 +2387,7 @@ StScrollBar StButton#vhandle:active, StScrollBar StButton#hhandle:active {
 .app-well-app .overview-icon, .search-provider-icon, .list-search-result {
   color: white;
   border-radius: 15px;
-  padding: 4px;
+  padding: 8px;
   border: none;
   transition-duration: 150ms;
   text-align: center;

src/gnome-shell/shell-40-0/gnome-shell-Dark-Compact.css

@@ -2387,7 +2387,7 @@ StScrollBar StButton#vhandle:active, StScrollBar StButton#hhandle:active {
 .app-well-app .overview-icon, .search-provider-icon, .list-search-result {
   color: white;
   border-radius: 15px;
-  padding: 4px;
+  padding: 8px;
   border: none;
   transition-duration: 150ms;
   text-align: center;

src/gnome-shell/shell-40-0/gnome-shell-Dark.css

@@ -2387,7 +2387,7 @@ StScrollBar StButton#vhandle:active, StScrollBar StButton#hhandle:active {
 .app-well-app .overview-icon, .search-provider-icon, .list-search-result {
   color: white;
   border-radius: 15px;
-  padding: 6px;
+  padding: 12px;
   border: none;
   transition-duration: 150ms;
   text-align: center;

src/gnome-shell/shell-40-0/gnome-shell.css

@@ -2387,7 +2387,7 @@ StScrollBar StButton#vhandle:active, StScrollBar StButton#hhandle:active {
 .app-well-app .overview-icon, .search-provider-icon, .list-search-result {
   color: white;
   border-radius: 15px;
-  padding: 6px;
+  padding: 12px;
   border: none;
   transition-duration: 150ms;
   text-align: center;

src/gnome-shell/shell-42-0/gnome-shell-Compact.css

@@ -2751,7 +2751,7 @@ StScrollBar StButton#vhandle:active, StScrollBar StButton#hhandle:active {
 .app-well-app .overview-icon, .search-provider-icon, .list-search-result {
   color: white;
   border-radius: 15px;
-  padding: 4px;
+  padding: 8px;
   border: none;
   transition-duration: 150ms;
   text-align: center;

src/gnome-shell/shell-42-0/gnome-shell-Dark-Compact.css

@@ -2755,7 +2755,7 @@ StScrollBar StButton#vhandle:active, StScrollBar StButton#hhandle:active {
 .app-well-app .overview-icon, .search-provider-icon, .list-search-result {
   color: white;
   border-radius: 15px;
-  padding: 4px;
+  padding: 8px;
   border: none;
   transition-duration: 150ms;
   text-align: center;

src/gnome-shell/shell-42-0/gnome-shell-Dark.css

@@ -2755,7 +2755,7 @@ StScrollBar StButton#vhandle:active, StScrollBar StButton#hhandle:active {
 .app-well-app .overview-icon, .search-provider-icon, .list-search-result {
   color: white;
   border-radius: 15px;
-  padding: 6px;
+  padding: 12px;
   border: none;
   transition-duration: 150ms;
   text-align: center;

src/gnome-shell/shell-42-0/gnome-shell.css

@@ -2751,7 +2751,7 @@ StScrollBar StButton#vhandle:active, StScrollBar StButton#hhandle:active {
 .app-well-app .overview-icon, .search-provider-icon, .list-search-result {
   color: white;
   border-radius: 15px;
-  padding: 6px;
+  padding: 12px;
   border: none;
   transition-duration: 150ms;
   text-align: center;