feat: add .sticky class for fixed table header rows; apply to .market-table

Signed-off-by: Rito Rhymes <83614463+ritorhymes@users.noreply.github.com>

Author: ritorhymes

src/css/_page.scss

@@ -22,7 +22,7 @@ a {
 }
 
 .bullet-list li {
-  margin-bottom: 0.6 rem;
+  margin-bottom: 0.6rem;
 }
 
 .bullet-list a {
@@ -44,6 +44,17 @@ table {
       padding:4px 8px;
     }
   }
+
+  &.sticky {
+    max-height: 80vh;
+    overflow-y: auto;
+
+    thead th {
+      position: sticky;
+      top: 0;
+      z-index: 3;
+    }
+  }
 }
 
 .table-fixed {

src/css/pages/addons.scss

@@ -1,7 +1,7 @@
 .market-table {
+    @extend .sticky;
 
     .no-border {
         border: none;
     }
-}
-
+}