CrateList: Use fluid space scale

Author: Turbo87

app/components/crate-list.hbs

@@ -2,7 +2,7 @@
   {{!-- The extra div wrapper is needed for specificity issues with `margin` --}}
   <ol local-class="list">
     {{#each @crates as |crate index|}}
-      <li local-class="row">
+      <li>
         <CrateRow @crate={{crate}} data-test-crate-row={{index}} />
       </li>
     {{/each}}

app/components/crate-list.module.css

@@ -2,10 +2,8 @@
     margin: 0;
     padding: 0;
     list-style: none;
-}
 
-.row {
-    &:not(:last-child) {
-        margin-bottom: 15px;
+    > * + * {
+        margin-top: var(--space-s);
     }
 }