diff --git a/src/lib/examsInPlan/SlotExam.svelte b/src/lib/examsInPlan/SlotExam.svelte
index 9b94e06..51e5565 100644
--- a/src/lib/examsInPlan/SlotExam.svelte
+++ b/src/lib/examsInPlan/SlotExam.svelte
@@ -483,13 +483,13 @@
 				<div class="badge badge-error">online</div>
 			{/if}
 			{#if exam.constraints && exam.constraints.roomConstraints && exam.constraints.roomConstraints.exahm}
-				<div class="badge badge-error">EXaHM</div>
+				<div class="badge badge-error rounded-lg border-black">EXaHM</div>
 			{/if}
 			{#if exam.constraints && exam.constraints.roomConstraints && exam.constraints.roomConstraints.seb}
-				<div class="badge badge-error">S.E.B.</div>
+				<div class="badge badge-error rounded-lg border-black">SEB</div>
 			{/if}
 			{#if exam.constraints != null && exam.constraints.sameSlot != null && exam.constraints.sameSlot.length > 0}
-				<div class="badge badge-warning">sameSlot</div>
+				<div class="badge badge-warning rounded-lg border-black">sameSlot</div>
 			{/if}
 		{/if}
 	</div>
diff --git a/src/lib/slot/Slot.svelte b/src/lib/slot/Slot.svelte
index 9b94bf3..d6238b6 100644
--- a/src/lib/slot/Slot.svelte
+++ b/src/lib/slot/Slot.svelte
@@ -148,7 +148,7 @@
 		{/if}
 		<div class="flex justify-end">
 			{#if count > 0}
-				<div class="badge {badgeColor(count)} gap-2 m-1">{count}</div>
+				<div class="badge {badgeColor(count)} gap-2 m-1 rounded-lg border-black">{count}</div>
 			{/if}
 		</div>
 	{/if}
@@ -156,7 +156,7 @@
 {#if showOnlyEXaHMRooms}
 	<div>
 		{#each exahm as room}
-			<div class="badge badge-warning">{room.name}</div>
+			<div class="badge badge-warning m-1 rounded-lg border-black">{room.name}</div>
 		{/each}
 	</div>
 {/if}
diff --git a/src/routes/plan/exams/+page.server.js b/src/routes/plan/exams/+page.server.js
index d07ec4f..f0ba9d8 100644
--- a/src/routes/plan/exams/+page.server.js
+++ b/src/routes/plan/exams/+page.server.js
@@ -17,6 +17,10 @@ export async function load({ params }) {
 					number
 					start
 				}
+				forbiddenSlots {
+					dayNumber
+					slotNumber
+				}
 			}
 		}
 	`;
@@ -124,8 +128,30 @@ export async function load({ params }) {
 
 	const data = await request('http://localhost:8080/query', examsWithoutSlotQuery);
 
+	let semesterConfig = semesterData.semesterConfig;
+
+	let globalSlotStatus = new Map();
+
+	for (let day of semesterConfig.days) {
+		for (let time of semesterConfig.starttimes) {
+			const key = `${day.number},${time.number}`;
+			globalSlotStatus.set(key, 'okay');
+		}
+	}
+
+	if (semesterConfig.forbiddenSlots) {
+		console.log('forbiddenSlots', semesterConfig.forbiddenSlots);
+		for (let slot of semesterConfig.forbiddenSlots) {
+			const key = `${slot.dayNumber},${slot.slotNumber}`;
+			globalSlotStatus.set(key, 'forbidden');
+		}
+	}
+
+	console.log('globalSlotStatus', globalSlotStatus);
+
 	return {
 		semesterConfig: semesterData.semesterConfig,
-		examsWithoutSlot: data.examsWithoutSlot
+		examsWithoutSlot: data.examsWithoutSlot,
+		globalSlotStatus: globalSlotStatus
 	};
 }
diff --git a/src/routes/plan/exams/+page.svelte b/src/routes/plan/exams/+page.svelte
index add6f86..4424dae 100644
--- a/src/routes/plan/exams/+page.svelte
+++ b/src/routes/plan/exams/+page.svelte
@@ -235,6 +235,16 @@
 		let data = await response.json();
 		return data.conflictingAncodes;
 	}
+
+	function globalForbiddenSlot(day, time) {
+		const key = `${day},${time}`;
+		console.log('globalForbiddenSlot', day, time, key);
+		console.log('globalForbiddenSlot Zugriff', data.globalSlotStatus.get(key));
+		console.log('globalForbiddenSlot all', data.globalSlotStatus);
+		if (data.globalSlotStatus.get(key) === 'forbidden') {
+			return 'bg-red-500';
+		}
+	}
 </script>
 
 <div class="text-center m-2">
@@ -410,8 +420,16 @@
 					</td>
 					{#each data.semesterConfig.days as day}
 						<td
-							class="align-top border-dashed border-2 border-sky-500 {statusColor(slotsStatus[[day.number, time.number]])}">
-							<div class="{mucdaiSlotToShow[[day.number, time.number]]}">
+							class="align-top border-dashed border-2 border-sky-500 {statusColor(
+								slotsStatus[[day.number, time.number]]
+							)} "
+						>
+							<div
+								class="{mucdaiSlotToShow[[day.number, time.number]]} {globalForbiddenSlot(
+									day.number,
+									time.number
+								)}"
+							>
 								<Slot
 									{day}
 									{time}