diff --git a/app/public/mock/v1/overview/tasks.GET.json b/app/public/mock/v1/overview/tasks.GET.json
index 47acd25..fedcc85 100644
--- a/app/public/mock/v1/overview/tasks.GET.json
+++ b/app/public/mock/v1/overview/tasks.GET.json
@@ -59,8 +59,8 @@
 			{
 				"id": 1,
 				"task_id": 1,
-				"starts_at": "2022-12-12T08:01:00+00:00",
-				"ends_at": "2022-12-12T09:00:00+00:00",
+				"starts_at": "2022-12-19T08:01:00+00:00",
+				"ends_at": "2022-12-19T09:00:00+00:00",
 				"title": "Task 1",
 				"project_code": "CO-2201",
 				"master_task_color": "#E9FFE6"
@@ -69,8 +69,8 @@
 			{
 				"id": 2,
 				"task_id": 2,
-				"starts_at": "2022-12-12T08:30:00+00:00",
-				"ends_at": "2022-12-12T09:00:00+00:00",
+				"starts_at": "2022-12-19T08:30:00+00:00",
+				"ends_at": "2022-12-19T09:00:00+00:00",
 				"title": "Kratky 30min Lorem ipsum dolor sit amet, consectetur adipiscing e",
 				"project_code": "CO-2201",
 				"master_task_color": "#f27e57"
@@ -79,8 +79,8 @@
 			{
 				"id": 3,
 				"task_id": 3,
-				"starts_at": "2022-12-12T10:30:00+00:00",
-				"ends_at": "2022-12-12T10:45:00+00:00",
+				"starts_at": "2022-12-19T10:30:00+00:00",
+				"ends_at": "2022-12-19T10:45:00+00:00",
 				"title": "Kratky 15min",
 				"project_code": "CO-2201",
 				"master_task_color": "#57e0f2"
@@ -89,8 +89,8 @@
 			{
 				"id": 4,
 				"task_id": 4,
-				"starts_at": "2022-12-12T08:00:00+00:00",
-				"ends_at": "2022-12-12T10:00:00+00:00",
+				"starts_at": "2022-12-19T08:00:00+00:00",
+				"ends_at": "2022-12-19T10:00:00+00:00",
 				"title": "Task 2",
 				"project_code": "CO-2201",
 				"master_task_color": "#FDE1FF"
@@ -99,8 +99,8 @@
 			{
 				"id": 5,
 				"task_id": 5,
-				"starts_at": "2022-12-13T07:00:00+00:00",
-				"ends_at": "2022-12-13T11:00:00+00:00",
+				"starts_at": "2022-12-20T09:00:00+00:00",
+				"ends_at": "2022-12-20T12:00:00+00:00",
 				"title": "Task 5",
 				"is_blocker": true,
 				"master_task_color": null
@@ -109,8 +109,8 @@
 			{
 				"id": 6,
 				"task_id": 6,
-				"starts_at": "2022-12-13T09:00:00+00:00",
-				"ends_at": "2022-12-13T12:00:00+00:00",
+				"starts_at": "2022-12-20T09:00:00+00:00",
+				"ends_at": "2022-12-20T12:00:00+00:00",
 				"title": "Task 6",
 				"project_code": "CO-2201",
 				"master_task_color": "#E9FFE6"
@@ -119,8 +119,8 @@
 			{
 				"id": 7,
 				"task_id": 7,
-				"starts_at": "2022-12-14T12:00:00+00:00",
-				"ends_at": "2022-12-14T16:00:00+00:00",
+				"starts_at": "2022-12-21T12:00:00+00:00",
+				"ends_at": "2022-12-21T16:00:00+00:00",
 				"title": "Task 7",
 				"project_code": "CO-2201",
 				"master_task_color": "#E7DBF8"
diff --git a/app/src/plugins/app@vendor/vue-cal/cell.vue b/app/src/plugins/app@vendor/vue-cal/cell.vue
index 2a09a87..1e2b90c 100644
--- a/app/src/plugins/app@vendor/vue-cal/cell.vue
+++ b/app/src/plugins/app@vendor/vue-cal/cell.vue
@@ -48,7 +48,7 @@ transition-group.vuecal__cell(
         :event="event"
         :all-day="allDay"
         :cell-events="splitsCount ? split.events : events"
-        :overlaps="((splitsCount ? split.overlaps[event._eid] : cellOverlaps[event._eid]) || []).overlaps"
+        :cellOverlaps="((splitsCount ? split.overlaps[event._eid] : cellOverlaps[event._eid]) || [])"
         :event-position="((splitsCount ? split.overlaps[event._eid] : cellOverlaps[event._eid]) || []).position"
         :overlaps-streak="splitsCount ? split.overlapsStreak : cellOverlapsStreak")
         template(#event="{ event, view }")
diff --git a/app/src/plugins/app@vendor/vue-cal/event.vue b/app/src/plugins/app@vendor/vue-cal/event.vue
index fadd2e7..9e856f1 100644
--- a/app/src/plugins/app@vendor/vue-cal/event.vue
+++ b/app/src/plugins/app@vendor/vue-cal/event.vue
@@ -40,7 +40,7 @@ export default {
 		cellFormattedDate: { type: String, default: "" },
 		event: { type: Object, default: () => ({}) },
 		cellEvents: { type: Array, default: () => [] },
-		overlaps: { type: Array, default: () => [] },
+		cellOverlaps: { type: Object, default: () => ({}) },
 		// If multiple simultaneous events, the events are placed from left to right from the
 		// one starting first to the last. (See utils/event.js > checkCellOverlappingEvents)
 		eventPosition: { type: Number, default: 0 },
@@ -225,6 +225,14 @@ export default {
 	},
 
 	computed: {
+		overlaps() {
+			return this.cellOverlaps.overlaps
+		},
+
+		sameOverlaps() {
+			return this.cellOverlaps.sameOverlaps
+		},
+
 		eventDimensions() {
 			const { startTimeMinutes, endTimeMinutes } = this.segment || this.event;
 
@@ -260,11 +268,18 @@ export default {
 				return {};
 			// let width = 100 / Math.min(this.overlaps.length + 1, this.overlapsStreak)
 			// let left = (100 - ((this.overlaps.length + 1) * 10 )) * this.eventPosition
+
 			let width = 100 - this.eventPosition * 10;
 			let left = (10 * this.eventPosition) / 2;
 			let zIdnex = (this.eventPosition + 1) * 10;
 			let background = this.event.master_task_color;
 
+			if (Array.isArray(this.cellOverlaps.sameOverlaps) && this.cellOverlaps.sameOverlaps.length) {
+				width = 50
+				left = 50 * this.eventPosition
+				zIdnex = 10
+			}
+
 			if (this.vuecal.minEventWidth && width < this.vuecal.minEventWidth) {
 				width = this.vuecal.minEventWidth;
 				left =
diff --git a/app/src/plugins/app@vendor/vue-cal/utils/event.js b/app/src/plugins/app@vendor/vue-cal/utils/event.js
index f09b3eb..0a75f3f 100644
--- a/app/src/plugins/app@vendor/vue-cal/utils/event.js
+++ b/app/src/plugins/app@vendor/vue-cal/utils/event.js
@@ -324,13 +324,14 @@ export default class EventUtils {
       // The array is smaller and smaller as we loop.
       _comparisonArray.shift()
 
-      if (!_cellOverlaps[e._eid]) _cellOverlaps[e._eid] = { overlaps: [], start: e.start, position: 0 }
+      if (!_cellOverlaps[e._eid]) _cellOverlaps[e._eid] = { overlaps: [], start: e.start, position: 0, sameOverlaps: [] }
       _cellOverlaps[e._eid].position = 0
 
       _comparisonArray.forEach(e2 => {
-        if (!_cellOverlaps[e2._eid]) _cellOverlaps[e2._eid] = { overlaps: [], start: e2.start, position: 0 }
+        if (!_cellOverlaps[e2._eid]) _cellOverlaps[e2._eid] = { overlaps: [], start: e2.start, position: 0, sameOverlaps: [] }
 
         const eventIsInRange = this.eventInRange(e2, e.start, e.end)
+        const eventSameOverlap = this.eventSameRange(e2, e)
         const eventsInSameTimeStep = options.overlapsPerTimeStep ? ud.datesInSameTimeStep(e.start, e2.start, options.timeStep) : 1
         // Add to the overlaps array if overlapping.
         if (!e.background && !e.allDay && !e2.background && !e2.allDay && eventIsInRange && eventsInSameTimeStep) {
@@ -340,6 +341,14 @@ export default class EventUtils {
           _cellOverlaps[e2._eid].overlaps.push(e._eid)
           _cellOverlaps[e2._eid].overlaps = [...new Set(_cellOverlaps[e2._eid].overlaps)] // Dedupe, most performant way.
           _cellOverlaps[e2._eid].position++
+          
+          if (eventSameOverlap) {
+            _cellOverlaps[e._eid].sameOverlaps.push(e2._eid)
+            _cellOverlaps[e._eid].sameOverlaps = [...new Set(_cellOverlaps[e._eid].sameOverlaps)] // Dedupe, most performant way.
+
+            _cellOverlaps[e2._eid].sameOverlaps.push(e._eid)
+            _cellOverlaps[e2._eid].sameOverlaps = [...new Set(_cellOverlaps[e2._eid].sameOverlaps)] // Dedupe, most performant way.
+          }
         }
         // Remove from the overlaps array if not overlapping or if 1 of the 2 events is background or all-day long.
         else {
@@ -425,4 +434,10 @@ export default class EventUtils {
     const endTimestamp = event.end.getTime()
     return startTimestamp < end.getTime() && endTimestamp > start.getTime()
   }
+
+  eventSameRange(event1, event2) {
+    const isSameStart = event1.start.getTime() == event2.start.getTime()
+    const isSameEnd = event1.end.getTime() == event2.end.getTime()
+    return isSameStart && isSameEnd
+  }
 }
diff --git a/app/src/plugins/tm@modal/sub-task/z-sub-task-modal.vue b/app/src/plugins/tm@modal/sub-task/z-sub-task-modal.vue
index f68ec31..923fc7d 100644
--- a/app/src/plugins/tm@modal/sub-task/z-sub-task-modal.vue
+++ b/app/src/plugins/tm@modal/sub-task/z-sub-task-modal.vue
@@ -21,15 +21,15 @@
 				></v-text-field>
 
 				<v-select
-					v-model="selectedTeam"
+					v-model="selectedMasterTask"
 					@focus="onInputFocus"
 					class="modal-input border-select"
 					label="MasterTask"
 					variant="solo"
-					:items="teamsOptions"
+					:items="masterTaskOptions"
 				></v-select>
 
-				<p v-if="subTask.team.employees" class="d-flex justify-start align-center w-100 mb-3">Priradení zamestnanci</p>
+				<p v-if="subTask.team.employees" class="d-flex justify-start align-center w-100 mb-3 text-grey">Priradení zamestnanci</p>
 
 				<v-text-field
 					v-for="(employee, index) in subTask.employees"
@@ -81,14 +81,25 @@
 					variant="solo"
 					type="number"
 					label="Časový odhad"
+					:class="{ error: v$.subTask.duration.$errors.length }"
+					:hint="
+						v$.subTask.duration.$errors
+							? errorUtils.parseErrors(v$.subTask.duration.$errors)
+							: null
+					"
 					append-inner-icon="mdi-clock-outline"
 				></v-text-field>
 
 				<v-textarea
-					:class="{ error: v$.subTask.description.$errors.length }"
 					label="Popis"
 					class="modal-input"
 					variant="solo"
+					:class="{ error: v$.subTask.description.$errors.length }"
+					:hint="
+						v$.subTask.description.$errors
+							? errorUtils.parseErrors(v$.subTask.description.$errors)
+							: null
+					"
 					v-model="subTask.description"
 				></v-textarea>
 
@@ -134,20 +145,18 @@ export default {
 		return {
 			subTask: {
 				project_code: null,
-				duration: null,
 				date: null,
 				team: {},
-				description: null,
 				employees: [],
+				duration: null,
+				description: null,
 				files: []
 			},
 			errorUtils,
 			v$: useVuelidate(),
 			preventInputFocus: false,
-			teams: null,
 			employees: null,
-			selectedTeam: '',
-			selectedMasterTaskCode: '',
+			selectedMasterTask: '',
 			showAddEmployeeInput: false,
 			masterTasks: null
 		}
@@ -157,9 +166,9 @@ export default {
 		return {
 			subTask: {
 				project_code: { required },
-				duration: { required },
 				date: { required },
 				team: { required },
+				duration: { required },
 				description: { required },
 				employees: { atLeastOne }
 			},
@@ -234,7 +243,7 @@ export default {
 	},
 
 	computed: {
-		teamsOptions() {
+		masterTaskOptions() {
 			return this.masterTasks.map(masterTask => `${masterTask.name} - ${masterTask.id}`)
 		},
 
@@ -266,10 +275,10 @@ export default {
 	},
 
 	watch: {
-		selectedTeam() {
-			this.subTask.team 			= this.masterTasks.find(masterTask => `${masterTask.name} - ${masterTask.id}` == this.selectedTeam)
+		selectedMasterTask() {
+			this.subTask.team 			= this.masterTasks.find(masterTask => `${masterTask.name} - ${masterTask.id}` == this.selectedMasterTask)
 			this.subTask.employees 		= this.subTask.team.employees
-			this.subTask.project_code	= this.masterTasks.filter(x => `${x.name} - ${x.id}` == this.selectedTeam)[0].project_code
+			this.subTask.project_code	= this.masterTasks.filter(x => `${x.name} - ${x.id}` == this.selectedMasterTask)[0].project_code
 		}
 	}
 }