refactors most spans

code/modules/multiz/pipes.dm

@@ -78,7 +78,7 @@
 	else return 1
 
 /obj/machinery/atmospherics/pipe/zpipe/proc/burst()
-	src.visible_message("<span class='warning'>\The [src] bursts!</span>");
+	src.visible_message(span_warning("\The [src] bursts!"));
 	playsound(src, 'sound/effects/bang.ogg', 25, 1)
 	var/datum/effect/effect/system/smoke_spread/smoke = new
 	smoke.set_up(1,0, src.loc, 0)
@@ -272,4 +272,4 @@
 	piping_layer = PIPING_LAYER_AUX
 	layer = PIPES_AUX_LAYER
 	icon_connect_type = "-aux"
-	color = PIPE_COLOR_CYAN
+	color = PIPE_COLOR_CYAN