fix: R&D Console, Vending, and chem master

code/modules/research/rdconsole.dm

@@ -219,8 +219,6 @@ Nothing else in the console has ID requirements.
 
 /obj/machinery/computer/rdconsole/proc/ui_header()
 	var/list/l = list()
-	var/datum/asset/spritesheet/sheet = get_asset_datum(/datum/asset/spritesheet/research_designs)
-	l += "[sheet.css_tag()][RDSCREEN_NOBREAK]"
 	l += "<div class='statusDisplay'><b>[stored_research.organization] Research and Development Network</b>"
 	l += "Available points: <BR>[techweb_point_display_rdconsole(stored_research.research_points, stored_research.last_bitcoins)]"
 	l += "Security protocols: [obj_flags & EMAGGED ? "<font color='red'>Disabled</font>" : "<font color='green'>Enabled</font>"]"
@@ -1075,6 +1073,9 @@ Nothing else in the console has ID requirements.
 /obj/machinery/computer/rdconsole/ui_interact(mob/user)
 	. = ..()
 	var/datum/browser/popup = new(user, "rndconsole", name, 900, 600)
+	var/datum/asset/spritesheet/assets = get_asset_datum(/datum/asset/spritesheet/research_designs)
+
+	popup.add_head_content("<link rel='stylesheet' type='text/css' href='[assets.css_tag()]'>")
 	popup.add_stylesheet("techwebs", 'html/browser/techwebs.css')
 	popup.set_content(generate_ui())
 	popup.open()