borders for no image selection menu

mob damage difficulty setting is lower
recycling now flashes green when it heals

merged cancel and research bars for single column selection
added some dark grey borders for no images selection mode

new images with midJourney V5
  spores, pilot wave, standing wave

bug fixes

index.html

@@ -106,6 +106,7 @@
                         <option value="staircase">
                         <option value="perplex">
                         <option value="n-gon">
+                        <option value="buttonbutton">
                         <option value="vats">
                         <option value="yingYang">
                         <option value="basement">