Fixed the margins on the data chart on the homepg

apps/explorer_web/assets/css/_content.scss

@@ -52,7 +52,10 @@
 
     &__subsection {
       flex: 1;
+
+        &-chain {
         margin: 10px 5px;
       }
     }
   }
+}

apps/explorer_web/lib/explorer_web/templates/chain/show.html.eex

@@ -22,7 +22,7 @@
         <div> <%= @chain.transaction_velocity |> Cldr.Number.to_string! %></div>
       </div>
     </div>
-    <div class="chain container__subsection">
+    <div class="chain container__subsection container__subsection-chain">
       <canvas data-chart="marketHistoryChart" data-current_exchange_rate ='<%= @exchange_rate.usd_value %>' data-available_supply='<%= @exchange_rate.available_supply %>' data-market_history_data='<%=raw encode_market_history_data(@market_history_data) %>' width="300" height="100"></canvas>
       <div class="graph-flex">
         <div class="u-push-md-left">