add style for links in error toastr

src/styles.scss

@@ -100,6 +100,9 @@ a {
     border: solid 1px $info-error;
     color: $info-error;
     background-image: url('assets/ico/toast-error.svg');
+    a {
+      color: $info-error;
+    }
   }
   &.toast-info {
     border: solid 1px $info-blue;