Bug - 1620734: Fixed color ratio in Graph View (#6160)

Change opacity in Perfherder Graphs view alt table and change text-darker-secondary style

ui/css/perf.css

@@ -522,7 +522,7 @@ li.pagination-active.active > button {
 }
 
 .table-graphs-view .job-links {
-  opacity: 0.3;
+  opacity: 0.8;
 }
 
 .table-graphs-view .rt-td:hover .job-links,

ui/css/treeherder-custom-styles.css

@@ -306,7 +306,7 @@
 
 /* Darker Secondary */
 .text-darker-secondary {
-  color: #6c757d;
+  color: #53595f;
 }
 
 .badge-darker-secondary {

ui/perfherder/graphs/TableView.jsx

@@ -115,7 +115,7 @@ const TableView = ({
             <div tabIndex={-1}>
               <span>
                 {value}{' '}
-                <span className="text-muted small">
+                <span className="text-darker-secondary">
                   &Delta; {displayNumber(deltaValue.toFixed(1))} (
                   {(100 * deltaPercent).toFixed(1)}
                   %)