Fixed bug with free membership price card

refs https://github.com/TryGhost/Team/issues/1806

ghost/admin/app/styles/layouts/tiers.css

@@ -156,6 +156,18 @@
     border: 1px solid var(--whitegrey);
 }
 
+.gh-expendable-free-membership .gh-tier-price-container {
+    margin: 0 60px 0 20px;
+}
+
+.gh-expendable-free-membership .gh-tier-card-price {
+    border-right: none !important;
+}
+
+.gh-expendable-free-membership .gh-tier-card-block{
+    flex-basis: auto;
+}
+
 .gh-tier-price-cards {
     display: inline-flex;
     justify-content: flex-end;

ghost/admin/app/templates/settings/membership.hbs

@@ -80,7 +80,7 @@
                 </button>
                 {{/if}}
             </div>
-            <section class="gh-expandable">
+            <section class="gh-expandable gh-expendable-free-membership">
                 <div class="gh-expandable-block">
                     <div class="gh-expandable-header">
                         <div>