update table styling

Author: Blargian

docs/cloud/features/01_cloud_tiers.md

@@ -23,7 +23,7 @@ This page discusses which tiers are right for your specific use case.
     <th>[Enterprise](#enterprise)</th>
   </tr></thead>
 <tbody>
-  <tr>
+  <tr className="table-category-header">
     <td>**Service Features**</td>
     <td colspan="3"></td>
   </tr>
@@ -105,7 +105,7 @@ This page discusses which tiers are right for your specific use case.
     <td></td>
     <td>✓</td>
   </tr>
-  <tr>
+  <tr className="table-category-header">
     <td>**Security**</td>
     <td colspan="3"></td>
   </tr>

src/css/custom.scss

@@ -1553,3 +1553,12 @@ input::-ms-input-placeholder { /* Microsoft Edge */
 .code-viewer {
   margin-bottom: var(--ifm-paragraph-margin-bottom);
 }
+
+/* Table category header styling */
+.table-category-header {
+  background-color: var(--click-color-background-muted);
+}
+
+[data-theme='dark'] .table-category-header {
+  background-color: #474747;
+}