diff --git a/index.css b/index.css
index 7c163e7..f424887 100644
--- a/index.css
+++ b/index.css
@@ -38,10 +38,10 @@ h1 {
 
 .modalDialog > div {
 	text-align: center;
-	width: 300px;
+	width: 280px;
 	position: relative;
 	margin: 40px auto;
-	padding: 5px 20px 13px 20px;
+	padding: 5px;
 	border-radius: 10px;
 	background: #fff;
 }
diff --git a/index.js b/index.js
index f5b9628..69f8bf1 100644
--- a/index.js
+++ b/index.js
@@ -12,6 +12,9 @@ var svglines_online = new Array();
 var speed = 100;
 var line_kind = 1;
 
+var maxwidth = 1280;
+var maxheight = 1024;
+
 function init() {
 	myName = document.getElementById('loginname').value;
 	var login = document.getElementById('login');
@@ -34,8 +37,8 @@ function init() {
 
 function resize(){
 	var app = document.getElementById('app');
-	app.style.width = (window.innerWidth - 8) + 'px';
-	app.style.height = (window.innerHeight - 4) + 'px';
+	app.style.width  = Math.min(window.innerWidth - 8, maxwidth) + 'px';
+	app.style.height = Math.min(window.innerHeight - 4, maxheight) + 'px';
 	updateUser();
 }
 
@@ -115,6 +118,10 @@ function updateLines(lines){
 			console.log('removing: ' + id);
 			removeLine(id);
 		});
+		current.addEventListener('touchend', function () {
+			console.log('removing: ' + id);
+			removeLine(id);
+		});
 		if(lines[i].line_kind == 0){
 			current.setAttribute('class', "guitar");
 		} else {