vaccum bomb grenade mod

gun: vacuum bomb is removed
mod: vacuum bomb - grenades fire slower, explode bigger and, suck everything towards them

laser and diffuse laser graphics are better
mod: output coupler - diffuse laser beam is 30% wider and does 30% more damage
      requires diffuse beam

level number doesn't increase if you skip the boss (in the late game)

index.html

@@ -132,7 +132,7 @@
 				</div>
 			</details>
 		</div>
-		<div id="controls">
+		<div>
 			<details id="control-details">
 				<summary>controls</summary>
 				<div id="details-div">
@@ -196,7 +196,7 @@
 				</div>
 			</details>
 		</div>
-		<div id="controls">
+		<div>
 			<details>
 				<summary>about</summary>
 				<div id="details-div">