diff --git a/arduino-ide-extension/src/browser/style/arduino.useable.css b/arduino-ide-extension/src/browser/style/arduino.useable.css
index 2e611e17..492eba48 100644
--- a/arduino-ide-extension/src/browser/style/arduino.useable.css
+++ b/arduino-ide-extension/src/browser/style/arduino.useable.css
@@ -82,15 +82,15 @@ is not optimized for dense, information rich UIs.
     --theia-layout-color3: var(--theia-arduino-light);
     --theia-layout-color4: #dcdcdc;
     /* Brand colors */
-    --theia-brand-color0: var(--md-blue-700);
-    --theia-brand-color1: var(--md-blue-500);
-    --theia-brand-color2: var(--md-blue-300);
-    --theia-brand-color3: var(--md-blue-100);
+    --theia-brand-color0: var(--theia-arduino-light);
+    --theia-brand-color1: var(--theia-arduino-light1);
+    --theia-brand-color2: var(--theia-arduino-light2);
+    --theia-brand-color3: var(--theia-arduino-light3);
     /* Secondary Brand colors */
     --theia-secondary-brand-color0: var(--md-grey-700);
     --theia-secondary-brand-color1: #b5c8c9;
-    --theia-secondary-brand-color2: var(--md-grey-300);
-    --theia-secondary-brand-color3: var(--md-grey-100);
+    --theia-secondary-brand-color2: var(--theia-arduino-light2);
+    --theia-secondary-brand-color3: var(--theia-arduino-light3);
     /* Accent colors (dark to bright): Use these to create contrast to layout colors. */
     --theia-accent-color0: rgb(0, 102, 105);
     --theia-accent-color1: rgb(0, 164, 167, 1.0);
diff --git a/arduino-ide-extension/src/browser/style/board-select-dialog.css b/arduino-ide-extension/src/browser/style/board-select-dialog.css
index af12c7bb..9ac99445 100644
--- a/arduino-ide-extension/src/browser/style/board-select-dialog.css
+++ b/arduino-ide-extension/src/browser/style/board-select-dialog.css
@@ -149,7 +149,6 @@ button.theia-button.main {
     align-items: center;
     margin: 0 5px;
     width: 100%;
-    font-weight: bold;
 }
 
 .arduino-boards-toolbar-item .caret {
diff --git a/arduino-ide-extension/src/browser/style/list-widget.css b/arduino-ide-extension/src/browser/style/list-widget.css
index 9864c1a8..c2abbf80 100644
--- a/arduino-ide-extension/src/browser/style/list-widget.css
+++ b/arduino-ide-extension/src/browser/style/list-widget.css
@@ -50,11 +50,11 @@
 }
 
 .filterable-list-container .items-container > div:nth-child(odd) {
-    background-color: var(--theia-layout-color2);
+    background-color: var(--theia-secondary-brand-color2);
 }
 
 .filterable-list-container .items-container > div:nth-child(even) {
-    background-color: var(--theia-layout-color0);
+    background-color: var(--theia-secondary-brand-color3);
 }
 
 .filterable-list-container .items-container > div:hover {