Show LN map on the LN dashboard

frontend/src/app/lightning/nodes-channels-map/nodes-channels-map.component.scss

@@ -1,6 +1,7 @@
 .card-header {
   border-bottom: 0;
   font-size: 18px;
+
   @media (min-width: 465px) {
     font-size: 20px;
   }
@@ -11,30 +12,45 @@
   width: 100%;
   min-height: 500px;
   height: calc(100% - 150px);
+
   @media (max-width: 992px) {
     height: 100%;
     padding-bottom: 100px;
-  };
+  }
+}
+
+.widget {
+  width: 100vw;
+  height: 250px;
+  -webkit-mask: linear-gradient(0deg, #11131f00 5%, #11131fff 25%);
+}
+
+.widget > .chart {
+  -webkit-mask: linear-gradient(180deg, #11131f00 0%, #11131fff 20%);
 }
 
 .chart {
   width: 100%;
   height: 100%;
-  padding-bottom: 20px;
   padding-right: 10px;
+
   @media (max-width: 992px) {
     padding-bottom: 25px;
   }
+
   @media (max-width: 829px) {
     padding-bottom: 50px;
   }
+
   @media (max-width: 767px) {
     padding-bottom: 25px;
   }
+
   @media (max-width: 629px) {
     padding-bottom: 55px;
   }
+
   @media (max-width: 567px) {
     padding-bottom: 55px;
   }
-}
+}