diff --git a/cvlp_lib.js b/cvlp_lib.js
index 1597daa..c010976 100644
--- a/cvlp_lib.js
+++ b/cvlp_lib.js
@@ -144,21 +144,20 @@ function json2svg(json) {
 	var svg_title = document.createElementNS(svgNS,'title');
 	svg_title.textContent = json.name;
 	svg.appendChild(svg_title);
-	// add copper and silkscreen layers
-	layers_desc = [ { name: 'copper', stroke: 'black', fill: 'black', display: 'inline'},
-	                { name: 'drill', stroke: 'none', fill: 'white', display: 'inline'},
-	                { name: 'silkscreen', stroke: 'gray', fill: 'none', display: 'inline'}
+	// add layers
+	layers_desc = [ { name: 'copper', stroke: 'black', fill: 'black'},
+	                { name: 'drill', stroke: 'none', fill: 'white'},
+	                { name: 'silkscreen', stroke: 'gray', fill: 'none', 'stroke-linecap': 'round'}
 	]
 	layers = []
-	for (var layer_i in layers_desc) {
+	for (layer_i in layers_desc) {
 		var layer_desc = layers_desc[layer_i]
 		var layer = document.createElementNS(svgNS,'g')
-		layer.setAttribute('name',layer_desc.name)
 		layer.setAttribute('inkscape:groupmode','layer')
 		layer.setAttribute('inkscape:label',layer_desc.name)
-		layer.setAttribute('display',layer_desc.display)
-		layer.style.setProperty('stroke',layer_desc.stroke)
-		layer.style.setProperty('fill',layer_desc.fill)
+		for (key in layer_desc) {
+			layer.setAttribute(key,layer_desc[key])
+		}
 		svg.appendChild(layer)
 		layers[layer_desc.name] = layer
 	}
@@ -172,7 +171,6 @@ function json2svg(json) {
 				line.setAttribute('x2',element.x2)
 				line.setAttribute('y2',element.y2)
 				line.style.setProperty('stroke-width',element.thickness)
-				line.style.setProperty('stroke-linecap','round')
 				layers['silkscreen'].appendChild(line)
 				break
 			case 'arc':
@@ -193,7 +191,6 @@ function json2svg(json) {
 					arc.setAttribute('d','M '+x1+' '+y1+' A '+element.radius+' '+element.radius+' 0 '+((element.angle)%360>180 ? '1' : '0')+' 1 '+x2+' '+y2+' ')
 				}
 				arc.style.setProperty('stroke-width',element.thickness)
-				arc.style.setProperty('stroke-linecap','round')
 				layers['silkscreen'].appendChild(arc)
 				break
 			case 'pad':