Flatten pie button styles so they fit in better.

examples/series-pie/index.html

@@ -27,8 +27,18 @@
 	#menu button {
 		display: inline-block;
 		width: 200px;
-		margin-bottom: 5px;
+		padding: 3px 0 2px 0;
+		margin-bottom: 4px;
+		background: #eee;
+		border: 1px solid #999;
+		border-radius: 2px;
 		font-size: 16px;
+		-o-box-shadow: 0 1px 2px rgba(0,0,0,0.15);
+		-ms-box-shadow: 0 1px 2px rgba(0,0,0,0.15);
+		-moz-box-shadow: 0 1px 2px rgba(0,0,0,0.15);
+		-webkit-box-shadow: 0 1px 2px rgba(0,0,0,0.15);
+		box-shadow: 0 1px 2px rgba(0,0,0,0.15);
+		cursor: pointer;
 	}
 
 	#description {
@@ -41,7 +51,7 @@
 		padding: 15px;
 		margin: 10px auto;
 		border: 1px dashed #999;
-		background-color: #eee;
+		background-color: #f8f8f8;
 		font-size: 16px;
 		line-height: 20px;
 		color: #666;