diff --git a/libs/event-emitter/src/issue-enhancers/priority-styles-enhancer.ts b/libs/event-emitter/src/issue-enhancers/priority-styles-enhancer.ts
new file mode 100644
index 0000000..6da3687
--- /dev/null
+++ b/libs/event-emitter/src/issue-enhancers/priority-styles-enhancer.ts
@@ -0,0 +1,102 @@
+import { Injectable } from '@nestjs/common';
+import { RedmineTypes } from '../models/redmine-types';
+import { IssueEnhancerInterface } from './issue-enhancer-interface';
+
+export type StyleRule = {
+  default?: boolean;
+  priorityName?: string;
+  style?: string;
+  className?: string;
+};
+
+export const defaultRule: StyleRule = {
+  default: true,
+  style: 'background-color: gray; color: white;',
+};
+
+export const defaultKey = 'priorityStyle';
+
+export function ValidateStyleRule(rule: StyleRule): boolean {
+  return (
+    // check default prop
+    (typeof rule.default === 'boolean' ||
+      typeof rule.default === 'undefined') &&
+    // check priority name prop
+    (rule.default ||
+      (!rule.default &&
+        typeof rule.priorityName === 'string' &&
+        rule.priorityName.length > 0)) &&
+    // check style or className props
+    ((typeof rule.style === 'string' && rule.style.length > 0) ||
+      (typeof rule.className === 'string' && rule.className.length > 0))
+  );
+}
+
+export function HasDefaultRule(rules: StyleRule[]): boolean {
+  const hasDefaultRule = rules.find((rule) => rule.default);
+  return Boolean(hasDefaultRule);
+}
+
+@Injectable()
+export class PriorityStylesEnhancer implements IssueEnhancerInterface {
+  name: string;
+
+  private rules: StyleRule[];
+
+  private targetKey: string;
+
+  constructor(rules?: StyleRule[], targetKey?: string) {
+    let validatedRules: StyleRule[] = [];
+    if (rules && rules.length > 0) {
+      validatedRules = rules.filter(ValidateStyleRule);
+    }
+    if (!HasDefaultRule(validatedRules)) {
+      validatedRules.push(defaultRule);
+    }
+    this.rules = validatedRules;
+
+    this.targetKey =
+      typeof targetKey === 'string' && targetKey.length > 0
+        ? targetKey
+        : defaultKey;
+  }
+
+  async enhance(
+    issue: RedmineTypes.ExtendedIssue,
+  ): Promise<RedmineTypes.ExtendedIssue> {
+    const priorityName = issue.priority.name;
+    const priorityRule = this.findPriorityRule(priorityName);
+    issue[this.targetKey] = priorityRule.style || priorityRule.className;
+    return issue;
+  }
+
+  private findPriorityRule(priority: string): StyleRule {
+    return (this.rules.find((r) => r.priorityName === priority) ||
+      this.rules.find((r) => r.default)) as StyleRule;
+  }
+}
+
+export type PrioritiesStyleParams = {
+  rules: StyleRule[];
+  targetKey: string;
+};
+
+export type ConfigWithPriorityStyles = {
+  priorities?: PrioritiesStyleParams;
+  [key: string]: any;
+};
+
+export function CreatePriorityStylesEnhancer(
+  cfg: ConfigWithPriorityStyles,
+): PriorityStylesEnhancer {
+  let params: PrioritiesStyleParams;
+  if (cfg.priorities && cfg.priorities.rules && cfg.priorities.targetKey) {
+    params = cfg.priorities;
+  } else {
+    params = {
+      rules: [defaultRule],
+      targetKey: defaultKey,
+    };
+  }
+  return new PriorityStylesEnhancer(params.rules, params.targetKey);
+}
diff --git a/libs/event-emitter/src/project-dashboard/widgets/list-issues-by-fields.widget.service.ts b/libs/event-emitter/src/project-dashboard/widgets/list-issues-by-fields.widget.service.ts
index 59d3792..3716036 100644
--- a/libs/event-emitter/src/project-dashboard/widgets/list-issues-by-fields.widget.service.ts
+++ b/libs/event-emitter/src/project-dashboard/widgets/list-issues-by-fields.widget.service.ts
@@ -13,6 +13,7 @@ import { TreeIssuesStore } from '@app/event-emitter/utils/tree-issues-store';
 import { Injectable, Logger } from '@nestjs/common';
 import nano from 'nano';
 import { WidgetInterface } from '../widget-interface';
+import * as PriorityStylesEnhancerNs from '@app/event-emitter/issue-enhancers/priority-styles-enhancer';
 
 export namespace ListIssuesByFieldsWidgetNs {
   export type Params = {
@@ -66,6 +67,7 @@ export class ListIssuesByFieldsWidgetService
       this.timePassedHighlightEnhancer,
       this.issueUrlEnhancer,
       TagStyledEnhancerNs.CreateTagStyledEnhancerForConfig(widgetParams),
+      PriorityStylesEnhancerNs.CreatePriorityStylesEnhancer(widgetParams),
     ]);
     const grouped = store.groupByStatusWithExtra((issue) => {
       return this.getGroupFromIssue(issue, widgetParams);
diff --git a/libs/event-emitter/src/project-dashboard/widgets/list-issues-by-users-like-jira.widget.service.ts b/libs/event-emitter/src/project-dashboard/widgets/list-issues-by-users-like-jira.widget.service.ts
index 173f447..d31eb6e 100644
--- a/libs/event-emitter/src/project-dashboard/widgets/list-issues-by-users-like-jira.widget.service.ts
+++ b/libs/event-emitter/src/project-dashboard/widgets/list-issues-by-users-like-jira.widget.service.ts
@@ -12,6 +12,7 @@ import { TreeIssuesStore } from '@app/event-emitter/utils/tree-issues-store';
 import { Injectable, Logger } from '@nestjs/common';
 import nano from 'nano';
 import { WidgetInterface } from '../widget-interface';
+import * as PriorityStylesEnhancerNs from '@app/event-emitter/issue-enhancers/priority-styles-enhancer';
 
 export namespace ListIssuesByUsersLikeJiraWidgetNs {
   export namespace Models {
@@ -61,6 +62,7 @@ export class ListIssuesByUsersLikeJiraWidgetService
       this.timePassedHighlightEnhancer,
       this.issueUrlEnhancer,
       TagStyledEnhancerNs.CreateTagStyledEnhancerForConfig(widgetParams),
+      PriorityStylesEnhancerNs.CreatePriorityStylesEnhancer(widgetParams),
     ]);
     const grouped = store.groupByStatusWithExtraToMultipleStories((issue) => {
       const users = [] as string[];
diff --git a/libs/event-emitter/src/project-dashboard/widgets/list-issues-by-users.widget.service.ts b/libs/event-emitter/src/project-dashboard/widgets/list-issues-by-users.widget.service.ts
index 9d3fefe..4ba3cbd 100644
--- a/libs/event-emitter/src/project-dashboard/widgets/list-issues-by-users.widget.service.ts
+++ b/libs/event-emitter/src/project-dashboard/widgets/list-issues-by-users.widget.service.ts
@@ -13,6 +13,7 @@ import { TreeIssuesStore } from '@app/event-emitter/utils/tree-issues-store';
 import { Injectable, Logger } from '@nestjs/common';
 import nano from 'nano';
 import { WidgetInterface } from '../widget-interface';
+import * as PriorityStylesEnhancerNs from '@app/event-emitter/issue-enhancers/priority-styles-enhancer';
 
 export namespace ListIssuesByUsersWidgetNs {
   export namespace Models {
@@ -73,6 +74,7 @@ export class ListIssuesByUsersWidgetService
       this.timePassedHighlightEnhancer,
       this.issueUrlEnhancer,
       TagStyledEnhancerNs.CreateTagStyledEnhancerForConfig(widgetParams),
+      PriorityStylesEnhancerNs.CreatePriorityStylesEnhancer(widgetParams),
     ]);
     const grouped = store.groupByStatusWithExtra((issue) => {
       const res = this.getUserValueByKey(issue, widgetParams.userKey);
diff --git a/libs/event-emitter/src/project-dashboard/widgets/root-issue-subtrees.widget.service.ts b/libs/event-emitter/src/project-dashboard/widgets/root-issue-subtrees.widget.service.ts
index a28f7ac..94b7974 100644
--- a/libs/event-emitter/src/project-dashboard/widgets/root-issue-subtrees.widget.service.ts
+++ b/libs/event-emitter/src/project-dashboard/widgets/root-issue-subtrees.widget.service.ts
@@ -12,6 +12,7 @@ import {
 } from '@app/event-emitter/utils/tree-issues-store';
 import { Injectable } from '@nestjs/common';
 import { WidgetInterface } from '../widget-interface';
+import * as PriorityStylesEnhancerNs from '@app/event-emitter/issue-enhancers/priority-styles-enhancer';
 
 export namespace RootIssueSubTreesWidgetNs {
   export namespace Models {
@@ -66,6 +67,7 @@ export class RootIssueSubTreesWidgetService
       this.timePassedHighlightEnhancer,
       this.issueUrlEnhancer,
       TagStyledEnhancerNs.CreateTagStyledEnhancerForConfig(widgetParams),
+      PriorityStylesEnhancerNs.CreatePriorityStylesEnhancer(widgetParams),
     ]);
     let stories: TreeIssuesStoreNs.Models.GetFlatStories.Result;
     if (widgetParams.parentsAsGroups) {
diff --git a/src/dashboards/widgets/issues-by-tags.widget.service.ts b/src/dashboards/widgets/issues-by-tags.widget.service.ts
index c199eb1..13e2e9c 100644
--- a/src/dashboards/widgets/issues-by-tags.widget.service.ts
+++ b/src/dashboards/widgets/issues-by-tags.widget.service.ts
@@ -12,6 +12,7 @@ import { GetValueFromObjectByKey } from '@app/event-emitter/utils/get-value-from
 import { TreeIssuesStore } from '@app/event-emitter/utils/tree-issues-store';
 import { Injectable, Logger } from '@nestjs/common';
 import nano from 'nano';
+import * as PriorityStylesEnhancerNs from '@app/event-emitter/issue-enhancers/priority-styles-enhancer';
 
 export namespace IssuesByTagsWidgetNs {
   export type Params = {
@@ -59,6 +60,7 @@ export class IssuesByTagsWidgetService
       this.timePassedHighlightEnhancer,
       this.issueUrlEnhancer,
       TagStyledEnhancerNs.CreateTagStyledEnhancerForConfig(widgetParams),
+      PriorityStylesEnhancerNs.CreatePriorityStylesEnhancer(widgetParams),
     ]);
     const grouped = store.groupByStatusWithExtraToMultipleStories((issue) => {
       if (!issue || !widgetParams.tags || !widgetParams.tags.tagsKeyName) {