diff --git a/src/vs/workbench/electron-browser/media/shell.css b/src/vs/workbench/electron-browser/media/shell.css
index 2997423193ae79414a216b04d72dd080c61638e0..48c9bf483b2f3c388ad792e3c91fb4731701da04 100644
--- a/src/vs/workbench/electron-browser/media/shell.css
+++ b/src/vs/workbench/electron-browser/media/shell.css
@@ -53,6 +53,7 @@
 .monaco-shell iframe[tabindex="0"]:focus {
 	outline: 2px auto -webkit-focus-ring-color;
 	outline-offset: -2px;
+	opacity: 1 !important; /* prevent components from dimming focus feedback */
 }
 
 .monaco-shell a[tabindex="0"]:active, a[tabindex="0"]:hover,
@@ -60,6 +61,7 @@
 .monaco-shell select:active, select:hover,
 .monaco-shell iframe[tabindex="0"]:active, iframe[tabindex="0"]:hover {
 	outline: 0;
+	opacity: inherit;
 }
 
 .monaco-shell a.prominent {