Add ISP chart in the dashboard - Fix mobile layout - Start polishing

frontend/src/app/components/pool-ranking/pool-ranking.component.html

@@ -76,10 +76,8 @@
   </div>
 
   <div [class]="!widget ? 'bottom-padding' : 'pb-0'" class="container pb-lg-0">
-    <div>
-      <div [class]="widget ? 'chart-widget' : 'chart'" echarts [initOpts]="chartInitOptions" [options]="chartOptions"
-        (chartInit)="onChartInit($event)">
-      </div>
+    <div [class]="widget ? 'chart-widget' : 'chart'" echarts [initOpts]="chartInitOptions" [options]="chartOptions"
+      (chartInit)="onChartInit($event)">
     </div>
 
     <div class="text-center loadingGraphs" *ngIf="isLoading">