fix(layout): backlinks grid triage (#1447)

* fix: mobile backlinks orientation

* temp: hide broken list gradient

* fix: backlinks overflow

quartz/styles/base.scss

@@ -554,7 +554,7 @@ ol.overflow {
   & > li:last-of-type {
     margin-bottom: 30px;
   }
-  &:after {
+  /*&:after {
     pointer-events: none;
     content: "";
     width: 100%;
@@ -565,7 +565,7 @@ ol.overflow {
     opacity: 1;
     transition: opacity 0.3s ease;
     background: linear-gradient(transparent 0px, var(--light));
-  }
+  }*/
 }
 
 .transclude {