Index: doc/user/02_model/index.html
===================================================================
--- doc/user/02_model/index.html	(revision 30704)
+++ doc/user/02_model/index.html	(revision 30705)
@@ -192,7 +192,7 @@
 <p>
 A line is specified by its two endpoints, width and clearance:
 <p>
-<img src="obj_line.png" alt="[Line interacting with a polygon]">
+<img src="obj_line.png" alt="[Line interacting with a polygon]" height="200">
 <p>
 A <i>clearance</i> is the gap between a line and the surrounding polygon
 in the same layer group. The gap is made only if the surrounding polygon has
@@ -211,7 +211,7 @@
 Arcs are round ended circular arcs with trace width and clearance. They
 behave like lines in all respects.
 <p>
-<img src="obj_arc.png" alt="[Arc interacting with a polygon]">
+<img src="obj_arc.png" alt="[Arc interacting with a polygon]" height="200">
 <p>
 Although the arc is described with its center, radius, start and end
 angles, the user interface may offer drawing arcs by endpoints.