diff --git a/code/game/gamemodes/game_mode.dm b/code/game/gamemodes/game_mode.dm
index 6148cca6ea..326d14a798 100644
--- a/code/game/gamemodes/game_mode.dm
+++ b/code/game/gamemodes/game_mode.dm
@@ -502,17 +502,17 @@ var/global/list/additional_antag_types = list()
 			if(D.mind && (D.mind.original == L || D.mind.current == L))
 				if(L.stat == DEAD)
 					if(L.suiciding)	//Suicider
-						msg += "<b>[L.name]</b> ([ckey(D.mind.key)]), the [L.job] ([span_red("<b>Suicide</b></font>")])\n"
+						msg += "<b>[L.name]</b> ([ckey(D.mind.key)]), the [L.job] ([span_red("<b>Suicide</b>")])\n"
 						continue //Disconnected client
 					else
 						msg += "<b>[L.name]</b> ([ckey(D.mind.key)]), the [L.job] (Dead)\n"
 						continue //Dead mob, ghost abandoned
 				else
 					if(D.can_reenter_corpse)
-						msg += "<b>[L.name]</b> ([ckey(D.mind.key)]), the [L.job] ([span_red("<b>Adminghosted</b></font>")])\n"
+						msg += "<b>[L.name]</b> ([ckey(D.mind.key)]), the [L.job] ([span_red("<b>Adminghosted</b>")])\n"
 						continue //Lolwhat
 					else
-						msg += "<b>[L.name]</b> ([ckey(D.mind.key)]), the [L.job] ([span_red("<b>Ghosted</b></font>")])\n"
+						msg += "<b>[L.name]</b> ([ckey(D.mind.key)]), the [L.job] ([span_red("<b>Ghosted</b>")])\n"
 						continue //Ghosted while alive
 
 	msg += "</span>" // close the span from right at the top
diff --git a/code/game/objects/items/devices/scanners/health.dm b/code/game/objects/items/devices/scanners/health.dm
index 6f086c3aa5..2d0b040c99 100644
--- a/code/game/objects/items/devices/scanners/health.dm
+++ b/code/game/objects/items/devices/scanners/health.dm
@@ -104,8 +104,8 @@
 			dat += "<span class='notice'>    Limbs are OK.</span><br>"
 
 	OX = M.getOxyLoss() > 50 ? 	 "[span_cyan("<b>Severe oxygen deprivation detected</b>")]" 			: 	"Subject bloodstream oxygen level normal"
-	TX = M.getToxLoss() > 50 ? 	 "[span_green("<b>Dangerous amount of toxins detected</b></font>")]" 	: 	"Subject bloodstream toxin level minimal"
-	BU = M.getFireLoss() > 50 ?  "[span_orange("<b>Severe burn damage detected</b></font>")]" 			:	"Subject burn injury status O.K"
+	TX = M.getToxLoss() > 50 ? 	 "[span_green("<b>Dangerous amount of toxins detected</b>")]" 	: 	"Subject bloodstream toxin level minimal"
+	BU = M.getFireLoss() > 50 ?  "[span_orange("<b>Severe burn damage detected</b>")]" 			:	"Subject burn injury status O.K"
 	BR = M.getBruteLoss() > 50 ? "[span_red("<b>Severe anatomical damage detected</b>")]"		 		: 	"Subject brute-force injury status O.K"
 	if(M.status_flags & FAKEDEATH)
 		OX = fake_oxy > 50 ? 		"<span class='warning'>Severe oxygen deprivation detected</span>" 	: 	"Subject bloodstream oxygen level normal"
diff --git a/code/modules/admin/IsBanned.dm b/code/modules/admin/IsBanned.dm
index d9a756ed53..8248b3c683 100644
--- a/code/modules/admin/IsBanned.dm
+++ b/code/modules/admin/IsBanned.dm
@@ -13,7 +13,7 @@
 	//check if the IP address is a known TOR node
 	if(config && config.ToRban && ToRban_isbanned(address))
 		log_adminwarn("Failed Login: [src] - Banned: ToR")
-		message_admins(span_blue("Failed Login: [src] - Banned: ToR</font>"))
+		message_admins(span_blue("Failed Login: [src] - Banned: ToR"))
 		//ban their computer_id and ckey for posterity
 		AddBan(ckey(key), computer_id, "Use of ToR", "Automated Ban", 0, 0)
 		return list("reason"="Using ToR", "desc"="\nReason: The network you are using to connect has been banned.\nIf you believe this is a mistake, please request help at [config.banappeals]")
diff --git a/code/modules/mentor/mentorhelp.dm b/code/modules/mentor/mentorhelp.dm
index 3b0d0502b9..8a53d8d398 100644
--- a/code/modules/mentor/mentorhelp.dm
+++ b/code/modules/mentor/mentorhelp.dm
@@ -224,7 +224,7 @@ GLOBAL_DATUM_INIT(mhelp_tickets, /datum/mentor_help_tickets, new)
 
 	AddInteraction("<font color='purple'>Reopened by [usr.ckey]</font>")
 	if(initiator)
-		to_chat(initiator, "<span class='filter_adminlog'>[span_purple("Ticket [TicketHref("#[id]")] was reopened by [usr.ckey].")]/span>")
+		to_chat(initiator, "<span class='filter_adminlog'>[span_purple("Ticket [TicketHref("#[id]")] was reopened by [usr.ckey].")]</span>")
 	var/msg = "<span class='adminhelp'>Ticket [TicketHref("#[id]")] reopened by [usr.ckey].</span>"
 	message_mentors(msg)
 	log_admin(msg)
diff --git a/code/modules/mob/living/carbon/brain/MMI.dm b/code/modules/mob/living/carbon/brain/MMI.dm
index d0549e250c..98b72fcf6f 100644
--- a/code/modules/mob/living/carbon/brain/MMI.dm
+++ b/code/modules/mob/living/carbon/brain/MMI.dm
@@ -279,7 +279,7 @@
 
 	var/turf/T = get_turf_or_move(src.loc)
 	for (var/mob/M in viewers(T))
-		M.show_message(span_blue("\The [src] chimes quietly.</font>"))
+		M.show_message(span_blue("\The [src] chimes quietly."))
 
 /obj/item/device/mmi/digital/robot
 	name = "robotic intelligence circuit"
diff --git a/code/modules/xenoarcheaology/effects/badfeeling.dm b/code/modules/xenoarcheaology/effects/badfeeling.dm
index ec47e0df41..da5e8f5bee 100644
--- a/code/modules/xenoarcheaology/effects/badfeeling.dm
+++ b/code/modules/xenoarcheaology/effects/badfeeling.dm
@@ -34,7 +34,7 @@
 			var/mob/living/carbon/human/H = user
 			if(prob(50))
 				if(prob(75))
-					to_chat(H, span_red("<b><font size='[num2text(rand(1,5))]'>[pick(drastic_messages)]</b>"))
+					to_chat(H, span_red("<b><font size='[num2text(rand(1,5))]'>[pick(drastic_messages)]</b></font>"))
 				else
 					to_chat(H, span_red("[pick(messages)]"))
 
diff --git a/code/modules/xenoarcheaology/effects/heal.dm b/code/modules/xenoarcheaology/effects/heal.dm
index f6e659397e..db0cf9d05e 100644
--- a/code/modules/xenoarcheaology/effects/heal.dm
+++ b/code/modules/xenoarcheaology/effects/heal.dm
@@ -9,7 +9,7 @@
 		var/weakness = GetAnomalySusceptibility(toucher)
 		if(prob(weakness * 100))
 			var/mob/living/carbon/C = toucher
-			to_chat(C, span_blue("You feel a soothing energy invigorate you.</font>"))
+			to_chat(C, span_blue("You feel a soothing energy invigorate you."))
 
 			if(ishuman(toucher))
 				var/mob/living/carbon/human/H = toucher
@@ -42,7 +42,7 @@
 			var/weakness = GetAnomalySusceptibility(C)
 			if(prob(weakness * 100))
 				if(prob(10))
-					to_chat(C, span_blue("You feel a soothing energy radiating from something nearby.</font>"))
+					to_chat(C, span_blue("You feel a soothing energy radiating from something nearby."))
 				C.adjustBruteLoss(-1 * weakness)
 				C.adjustFireLoss(-1 * weakness)
 				C.adjustToxLoss(-1 * weakness)
diff --git a/maps/gateway_archive_vr/labyrinth.dm b/maps/gateway_archive_vr/labyrinth.dm
index d4b34893aa..f1f1960490 100644
--- a/maps/gateway_archive_vr/labyrinth.dm
+++ b/maps/gateway_archive_vr/labyrinth.dm
@@ -167,13 +167,13 @@
 			return 0
 
 		playsound(chassis, 'sound/items/AirHorn.ogg', 100, 1)
-		chassis.occupant_message(span_red("font size='5'>HONK</font>"))
+		chassis.occupant_message(span_red("<font size='5'>HONK</font>"))
 		for(var/mob/living/carbon/M in ohearers(6, chassis))
 			if(istype(M, /mob/living/carbon/human))
 				var/mob/living/carbon/human/H = M
 				if(istype(H.l_ear, /obj/item/clothing/ears/earmuffs) || istype(H.r_ear, /obj/item/clothing/ears/earmuffs))
 					continue
-			to_chat(M, span_red("font size='7'>HONK</font>"))
+			to_chat(M, span_red("<font size='7'>HONK</font>"))
 			M.sleeping = 0
 			M.stuttering += 20
 			M.ear_deaf += 30