Reverses arrows and removes outline

app/assets/stylesheets/framework/variables_overrides.scss

@@ -55,7 +55,7 @@ $tooltip-padding-y: 0.5rem;
 $tooltip-padding-x: 0.75rem;
 $tooltip-arrow-height: 0.5rem;
 $tooltip-arrow-width: 1rem;
-$b-table-sort-icon-bg-descending: url('data:image/svg+xml, <svg
+$b-table-sort-icon-bg-ascending: url('data:image/svg+xml, <svg
   xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="4 0 8 16">
   <path style="fill: #666;" fill-rule="evenodd" d="M11.707085,11.7071 L7.999975,15.4142 L4.292875,11.7071
   C3.902375,11.3166 3.902375,10.6834 4.292875,10.2929 C4.683375,9.90237
@@ -64,7 +64,7 @@ $b-table-sort-icon-bg-descending: url('data:image/svg+xml, <svg
   L10.292865,10.2929 C10.683395,9.90237 11.316555,9.90237 11.707085,10.2929
   C12.097605,10.6834 12.097605,11.3166 11.707085,11.7071 Z"/>
   </svg>') !default;
-$b-table-sort-icon-bg-ascending: url('data:image/svg+xml,<svg
+$b-table-sort-icon-bg-descending: url('data:image/svg+xml,<svg
 xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="4 0 8 16">
   <path style="fill: #666;" fill-rule="evenodd" d="M4.29289,4.2971 L8,0.59 L11.7071,4.2971 C12.0976,4.6876
 12.0976,5.3208 11.7071,5.7113 C11.3166,6.10183 10.6834,6.10183 10.2929,5.7113

app/assets/stylesheets/pages/alert_management/list.scss

@@ -29,6 +29,7 @@
       td,
       th {
         @include gl-p-5;
+        @include gl-outline-none;
         border: 0; // Remove cell border styling so that we can set border styling per row
 
         &.event-count {