diff --git a/ElectronClient/gui/Header.jsx b/ElectronClient/gui/Header.jsx
index de9787e06..6787d3896 100644
--- a/ElectronClient/gui/Header.jsx
+++ b/ElectronClient/gui/Header.jsx
@@ -100,7 +100,7 @@ class HeaderComponent extends React.Component {
 	}
 
 	determineButtonLabelState() {
-		const mediaQuery = window.matchMedia(`(max-width: ${550 * this.props.zoomFactor}px)`);
+		const mediaQuery = window.matchMedia(`(max-width: ${780 * this.props.zoomFactor}px)`);
 		const showButtonLabels = !mediaQuery.matches;
 
 		if (this.state.showButtonLabels !== showButtonLabels) {
@@ -266,6 +266,7 @@ class HeaderComponent extends React.Component {
 			fontSize: theme.fontSize,
 			boxSizing: 'border-box',
 			cursor: 'default',
+			whiteSpace: 'nowrap',
 		};
 
 		if (showBackButton) {
diff --git a/ReactNativeClient/lib/components/global-style.js b/ReactNativeClient/lib/components/global-style.js
index c6300a1fb..6b2920a64 100644
--- a/ReactNativeClient/lib/components/global-style.js
+++ b/ReactNativeClient/lib/components/global-style.js
@@ -140,7 +140,7 @@ function themeStyle(theme) {
 		output.raisedHighlightedColor = '#ffffff';
 
 		output.htmlColor = 'rgb(220,220,220)';
-		output.htmlBackgroundColor = 'rgb(29,32,36)';
+		output.htmlBackgroundColor = 'rgb(0,0,0)';
 		output.htmlLinkColor = 'rgb(166,166,255)';
 
 		output.htmlDividerColor = '#3D444E';