diff --git a/app/lib/RoomClient.js b/app/lib/RoomClient.js
index 108f193..a791893 100644
--- a/app/lib/RoomClient.js
+++ b/app/lib/RoomClient.js
@@ -18,6 +18,11 @@ const ROOM_OPTIONS =
 	}
 };
 
+const VIDEO_CONSTRAINS =
+{
+	width : { ideal: 3840 }
+};
+
 export default class RoomClient
 {
 	constructor(
@@ -462,37 +467,14 @@ export default class RoomClient
 
 				logger.debug('changeWebcam() | calling getUserMedia()');
 
-				if (this._device.flag !== 'chrome')
-					return navigator.mediaDevices.getUserMedia(
+				return navigator.mediaDevices.getUserMedia(
+					{
+						video :
 						{
-							video :
-							{
-								deviceId : { exact: device.deviceId },
-								width    : { ideal: 3840 }
-							}
-						});
-				else
-					return navigator.mediaDevices.getUserMedia(
-						{
-							video :
-							{
-								deviceId : { exact: device.deviceId },
-								optional : [
-									{ minWidth: 160 },
-									{ minWidth: 176 },
-									{ minWidth: 320 },
-									{ minWidth: 352 },
-									{ minWidth: 640 },
-									{ minWidth: 800 },
-									{ minWidth: 1024 },
-									{ minWidth: 1280 },
-									{ minWidth: 1600 },
-									{ minWidth: 1920 },
-									{ minWidth: 2560 },
-									{ minWidth: 3840 }
-								]
-							}
-						});
+							deviceId : { exact: device.deviceId },
+							...VIDEO_CONSTRAINS
+						}
+					});
 			})
 			.then((stream) =>
 			{
@@ -563,37 +545,14 @@ export default class RoomClient
 
 				logger.debug('changeWebcamResolution() | calling getUserMedia()');
 
-				if (this._device.flag !== 'chrome')
-					return navigator.mediaDevices.getUserMedia(
+				return navigator.mediaDevices.getUserMedia(
+					{
+						video :
 						{
-							video :
-							{
-								deviceId : { exact: device.deviceId },
-								width    : { ideal: 3840 }
-							}
-						});
-				else
-					return navigator.mediaDevices.getUserMedia(
-						{
-							video :
-							{
-								deviceId : { exact: device.deviceId },
-								optional : [
-									{ minWidth: 160 },
-									{ minWidth: 176 },
-									{ minWidth: 320 },
-									{ minWidth: 352 },
-									{ minWidth: 640 },
-									{ minWidth: 800 },
-									{ minWidth: 1024 },
-									{ minWidth: 1280 },
-									{ minWidth: 1600 },
-									{ minWidth: 1920 },
-									{ minWidth: 2560 },
-									{ minWidth: 3840 }
-								]
-							}
-						});
+							deviceId : { exact: device.deviceId },
+							...VIDEO_CONSTRAINS
+						}
+					});
 			})
 			.then((stream) =>
 			{
@@ -1496,37 +1455,14 @@ export default class RoomClient
 
 				logger.debug('_setWebcamProducer() | calling getUserMedia()');
 
-				if (this._device.flag !== 'chrome')
-					return navigator.mediaDevices.getUserMedia(
+				return navigator.mediaDevices.getUserMedia(
+					{
+						video :
 						{
-							video :
-							{
-								deviceId : { exact: device.deviceId },
-								width    : { ideal: 3840 }
-							}
-						});
-				else
-					return navigator.mediaDevices.getUserMedia(
-						{
-							video :
-							{
-								deviceId : { exact: device.deviceId },
-								optional : [
-									{ minWidth: 160 },
-									{ minWidth: 176 },
-									{ minWidth: 320 },
-									{ minWidth: 352 },
-									{ minWidth: 640 },
-									{ minWidth: 800 },
-									{ minWidth: 1024 },
-									{ minWidth: 1280 },
-									{ minWidth: 1600 },
-									{ minWidth: 1920 },
-									{ minWidth: 2560 },
-									{ minWidth: 3840 }
-								]
-							}
-						});
+							deviceId : { exact: device.deviceId },
+							...VIDEO_CONSTRAINS
+						}
+					});
 			})
 			.then((stream) =>
 			{
diff --git a/app/stylus/index.styl b/app/stylus/index.styl
index 238808c..9f9fec5 100644
--- a/app/stylus/index.styl
+++ b/app/stylus/index.styl
@@ -47,9 +47,9 @@ body {
 
 // Hack to detect in JS the current media query
 #multiparty-meeting-media-query-detector {
-	position: relative;
+	position: absolute;
 	z-index: -1000;
-	bottom: 1px;
+	bottom: 0;
 	left: 0;
 	height: 1px;
 	width: 1px;