fixed layout

static/pages/user_select.js

@@ -12,8 +12,22 @@ let pinInput4 = document.getElementById('pinInput4');
 
 let pinError = document.getElementById('pinError');
 
+let lastActivity = new Date().getTime();
+let lastActivityTimeout = 1000 * 60 * 5; // 5 minutes
+
 let currentUser = null;
 
+document.addEventListener('click', function() {
+	lastActivity = new Date().getTime();
+});
+
+setInterval(function() {
+	let now = new Date().getTime();
+	if(now - lastActivity > lastActivityTimeout) {
+		window.location.href = '/';
+	}
+}, 1000);
+
 // Attach event listeners to all numpad buttons
 let numpadButtons = numpad.getElementsByTagName('button');
 for(let i = 0; i < numpadButtons.length; i++) {