Index: chrome/browser/resources/performance_monitor/chart.css |
diff --git a/chrome/browser/resources/performance_monitor/chart.css b/chrome/browser/resources/performance_monitor/chart.css |
index 347063267d3523b9c40aeb38985540c69f7c5149..1794bb5c03abfa0380c52b14af1bffd24d2706bf 100644 |
--- a/chrome/browser/resources/performance_monitor/chart.css |
+++ b/chrome/browser/resources/performance_monitor/chart.css |
@@ -70,7 +70,7 @@ summary:focus { |
outline: 0; |
} |
-summary:after { |
+summary::after { |
background: white; |
content: ''; |
height: 32px; |
@@ -84,7 +84,7 @@ summary:hover { |
color: rgb(70, 78, 90); |
} |
-details[open] summary:after { |
+details[open] summary::after { |
background: #555; |
} |