diff --git a/apps/hackathon/public/images/banner-imphnen.png b/apps/hackathon/public/images/banner-imphnen.png
deleted file mode 100644
index b6a6cf8..0000000
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diff --git a/apps/hackathon/public/images/banner-imphnen.webp b/apps/hackathon/public/images/banner-imphnen.webp
new file mode 100644
index 0000000..30b0554
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diff --git a/apps/hackathon/src/app/teams/browse/page.tsx b/apps/hackathon/src/app/teams/browse/page.tsx
index 6dc61c8..29d4a03 100644
--- a/apps/hackathon/src/app/teams/browse/page.tsx
+++ b/apps/hackathon/src/app/teams/browse/page.tsx
@@ -1,7 +1,14 @@
 import { FC, ReactElement, useState, useEffect } from 'react';
 import { Button } from '@imphnen-frontend-service/ui/atoms';
 import { Link, useNavigate } from 'react-router';
-import { useTeams, useJoinTeam, useMyTeams, ETeamVisibility, joinTeamSchema, TJoinTeamForm } from '@imphnen-frontend-service/service';
+import {
+  useTeams,
+  useJoinTeam,
+  useMyTeams,
+  ETeamVisibility,
+  joinTeamSchema,
+  TJoinTeamForm,
+} from '@imphnen-frontend-service/service';
 import { useForm } from 'react-hook-form';
 import { zodResolver } from '@hookform/resolvers/zod';
 import { CitySelect } from '../../../components/city-select';
@@ -69,8 +76,12 @@ const BrowseTeamsPage: FC = (): ReactElement => {
         <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-6">
           <div className="flex items-center justify-between">
             <div>
-              <h1 className="text-3xl font-bold text-gray-900 dark:text-white">Browse Teams</h1>
-              <p className="text-gray-600 dark:text-neutral-400 mt-1">Find and join teams looking for members</p>
+              <h1 className="text-3xl font-bold text-gray-900 dark:text-white">
+                Browse Teams
+              </h1>
+              <p className="text-gray-600 dark:text-neutral-400 mt-1">
+                Find and join teams looking for members
+              </p>
             </div>
             <Link to="/dashboard" className="hidden md:block">
               <Button variant="secondary">Back to Dashboard</Button>
@@ -111,19 +122,28 @@ const BrowseTeamsPage: FC = (): ReactElement => {
         {/* Teams List */}
         {isLoading ? (
           <div className="text-center py-12">
-            <p className="text-gray-600 dark:text-neutral-400">Loading teams...</p>
+            <p className="text-gray-600 dark:text-neutral-400">
+              Loading teams...
+            </p>
           </div>
         ) : teams.length === 0 ? (
           <div className="bg-white dark:bg-neutral-900 rounded-lg shadow-sm p-12 text-center">
-            <p className="text-gray-600 dark:text-neutral-400 text-lg">No teams found</p>
-            <p className="text-gray-500 dark:text-neutral-500 mt-2">Try adjusting your filters</p>
+            <p className="text-gray-600 dark:text-neutral-400 text-lg">
+              No teams found
+            </p>
+            <p className="text-gray-500 dark:text-neutral-500 mt-2">
+              Try adjusting your filters
+            </p>
           </div>
         ) : (
           <div className="grid gap-6 md:grid-cols-2 lg:grid-cols-3">
             {teams.map((team) => (
-              <div key={team.id} className="bg-white dark:bg-neutral-800 rounded-lg shadow-md overflow-hidden hover:shadow-lg transition-shadow flex flex-col">
+              <div
+                key={team.id}
+                className="bg-white dark:bg-neutral-800 rounded-lg shadow-md overflow-hidden hover:shadow-lg transition-shadow flex flex-col"
+              >
                 <img
-                  src={team.banner || '/images/banner-imphnen.png'}
+                  src={team.banner || '/images/banner-imphnen.webp'}
                   alt={team.name}
                   className="w-full h-32 object-cover"
                 />
@@ -137,14 +157,22 @@ const BrowseTeamsPage: FC = (): ReactElement => {
                       />
                     ) : (
                       <div className="w-12 h-12 rounded-full bg-gray-200 dark:bg-neutral-700 flex items-center justify-center">
-                        <span className="text-gray-500 dark:text-neutral-400 text-xl">👥</span>
+                        <span className="text-gray-500 dark:text-neutral-400 text-xl">
+                          👥
+                        </span>
                       </div>
                     )}
                     <div className="flex-1 min-w-0">
-                      <h3 className="text-lg font-bold text-gray-900 dark:text-white line-clamp-2">{team.name}</h3>
+                      <h3 className="text-lg font-bold text-gray-900 dark:text-white line-clamp-2">
+                        {team.name}
+                      </h3>
                       <div className="text-sm text-gray-600 dark:text-neutral-400 flex gap-2">
-                        <p className="truncate flex-1 min-w-0">📍 {team.city}</p>
-                        <p className="whitespace-nowrap shrink-0">👥 {team.members?.length || 0} members</p>
+                        <p className="truncate flex-1 min-w-0">
+                          📍 {team.city}
+                        </p>
+                        <p className="whitespace-nowrap shrink-0">
+                          👥 {team.members?.length || 0} members
+                        </p>
                       </div>
                     </div>
                   </div>
@@ -162,14 +190,15 @@ const BrowseTeamsPage: FC = (): ReactElement => {
                       </Button>
                     ) : (
                       <>
-                        {myTeams.length === 0 && (team.members?.length || 0) < 5 && (
-                          <Button
-                            className="w-full"
-                            onClick={() => handleJoinRequest(team.id)}
-                          >
-                            Request to Join
-                          </Button>
-                        )}
+                        {myTeams.length === 0 &&
+                          (team.members?.length || 0) < 5 && (
+                            <Button
+                              className="w-full"
+                              onClick={() => handleJoinRequest(team.id)}
+                            >
+                              Request to Join
+                            </Button>
+                          )}
                         <Button
                           className="w-full"
                           variant="secondary"
diff --git a/apps/hackathon/src/app/teams/layout.tsx b/apps/hackathon/src/app/teams/layout.tsx
index 74ffbe6..5a91631 100644
--- a/apps/hackathon/src/app/teams/layout.tsx
+++ b/apps/hackathon/src/app/teams/layout.tsx
@@ -31,7 +31,9 @@ const TeamsLayout: FC = (): ReactElement => {
                 />
               </svg>
             </button>
-            <h1 className="ml-3 text-lg font-bold text-gray-900">Hackathon</h1>
+            <h1 className="ml-3 text-lg font-bold text-gray-900 dark:text-white">
+              Hackathon
+            </h1>
           </div>
         </div>
 
diff --git a/apps/hackathon/src/app/users/[userId]/page.tsx b/apps/hackathon/src/app/users/[userId]/page.tsx
index 8b32c61..3d030cf 100644
--- a/apps/hackathon/src/app/users/[userId]/page.tsx
+++ b/apps/hackathon/src/app/users/[userId]/page.tsx
@@ -1,7 +1,10 @@
 import { FC, ReactElement } from 'react';
 import { Button } from '@imphnen-frontend-service/ui/atoms';
 import { useParams, useNavigate, Link } from 'react-router';
-import { useUserDetailsById, useTeamsByUserId } from '@imphnen-frontend-service/service';
+import {
+  useUserDetailsById,
+  useTeamsByUserId,
+} from '@imphnen-frontend-service/service';
 
 const UserProfilePage: FC = (): ReactElement => {
   const { userId } = useParams<{ userId: string }>();
@@ -15,7 +18,9 @@ const UserProfilePage: FC = (): ReactElement => {
   if (isLoading) {
     return (
       <div className="flex items-center justify-center min-h-screen bg-gray-50 dark:bg-neutral-950">
-        <div className="text-gray-600 dark:text-neutral-400">Loading user profile...</div>
+        <div className="text-gray-600 dark:text-neutral-400">
+          Loading user profile...
+        </div>
       </div>
     );
   }
@@ -23,9 +28,15 @@ const UserProfilePage: FC = (): ReactElement => {
   if (error || !user) {
     return (
       <div className="flex flex-col items-center justify-center min-h-screen bg-gray-50 dark:bg-neutral-950">
-        <h2 className="text-2xl font-bold text-gray-900 dark:text-white mb-4">User not found</h2>
-        {error && <p className="text-red-600 dark:text-red-400 mb-4">{String(error)}</p>}
-        <Button onClick={() => navigate('/dashboard')}>Back to Dashboard</Button>
+        <h2 className="text-2xl font-bold text-gray-900 dark:text-white mb-4">
+          User not found
+        </h2>
+        {error && (
+          <p className="text-red-600 dark:text-red-400 mb-4">{String(error)}</p>
+        )}
+        <Button onClick={() => navigate('/dashboard')}>
+          Back to Dashboard
+        </Button>
       </div>
     );
   }
@@ -45,15 +56,23 @@ const UserProfilePage: FC = (): ReactElement => {
                 />
               ) : (
                 <div className="w-16 h-16 md:w-20 md:h-20 rounded-full bg-gray-200 dark:bg-neutral-700 flex items-center justify-center border-4 border-white dark:border-neutral-800 shadow-lg">
-                  <span className="text-gray-500 dark:text-neutral-400 text-2xl md:text-3xl">👤</span>
+                  <span className="text-gray-500 dark:text-neutral-400 text-2xl md:text-3xl">
+                    👤
+                  </span>
                 </div>
               )}
               <div>
-                <h1 className="text-xl md:text-3xl font-bold text-gray-900 dark:text-white">{user.fullname}</h1>
-                <p className="text-sm md:text-base text-gray-600 dark:text-neutral-400 mt-1">{user.email}</p>
+                <h1 className="text-xl md:text-3xl font-bold text-gray-900 dark:text-white">
+                  {user.fullname}
+                </h1>
+                <p className="text-sm md:text-base text-gray-600 dark:text-neutral-400 mt-1">
+                  {user.email}
+                </p>
                 {user.location && (
                   <div className="flex items-center space-x-4 mt-2">
-                    <span className="text-sm text-gray-500 dark:text-neutral-500">📍 {user.location}</span>
+                    <span className="text-sm text-gray-500 dark:text-neutral-500">
+                      📍 {user.location}
+                    </span>
                   </div>
                 )}
               </div>
@@ -72,15 +91,21 @@ const UserProfilePage: FC = (): ReactElement => {
             {/* About Section */}
             {user.bio && (
               <div className="bg-white dark:bg-neutral-900 rounded-lg shadow-md dark:shadow-neutral-950/50 p-4 md:p-6 overflow-hidden">
-                <h2 className="text-lg md:text-xl font-bold text-gray-900 dark:text-white mb-3 md:mb-4">About</h2>
-                <p className="text-gray-700 dark:text-neutral-300 break-all overflow-wrap-anywhere">{user.bio}</p>
+                <h2 className="text-lg md:text-xl font-bold text-gray-900 dark:text-white mb-3 md:mb-4">
+                  About
+                </h2>
+                <p className="text-gray-700 dark:text-neutral-300 break-all overflow-wrap-anywhere">
+                  {user.bio}
+                </p>
               </div>
             )}
 
             {/* Skills Section */}
             {user.skills && user.skills.length > 0 && (
               <div className="bg-white dark:bg-neutral-900 rounded-lg shadow-md dark:shadow-neutral-950/50 p-4 md:p-6">
-                <h2 className="text-lg md:text-xl font-bold text-gray-900 dark:text-white mb-3 md:mb-4">Skills</h2>
+                <h2 className="text-lg md:text-xl font-bold text-gray-900 dark:text-white mb-3 md:mb-4">
+                  Skills
+                </h2>
                 <div className="flex flex-wrap gap-3">
                   {user.skills.map((skill: string) => (
                     <span
@@ -97,23 +122,47 @@ const UserProfilePage: FC = (): ReactElement => {
             {/* Teams Section */}
             {userTeams.length > 0 ? (
               <div className="bg-white dark:bg-neutral-900 rounded-lg shadow-md dark:shadow-neutral-950/50 p-4 md:p-6">
-                <h2 className="text-lg md:text-xl font-bold text-gray-900 dark:text-white mb-3 md:mb-4">Teams ({userTeams.length})</h2>
+                <h2 className="text-lg md:text-xl font-bold text-gray-900 dark:text-white mb-3 md:mb-4">
+                  Teams ({userTeams.length})
+                </h2>
                 <div className="grid gap-4 md:grid-cols-2">
                   {userTeams.map((team: any) => (
-                    <Link key={team.id} to={'/teams/' + team.id} className="bg-white dark:bg-neutral-800 rounded-lg shadow-md dark:shadow-neutral-950/50 overflow-hidden hover:shadow-lg transition-shadow">
-                      <img src={team.banner || '/images/banner-imphnen.png'} alt={team.name} className="w-full h-24 object-cover" />
+                    <Link
+                      key={team.id}
+                      to={'/teams/' + team.id}
+                      className="bg-white dark:bg-neutral-800 rounded-lg shadow-md dark:shadow-neutral-950/50 overflow-hidden hover:shadow-lg transition-shadow"
+                    >
+                      <img
+                        src={team.banner || '/images/banner-imphnen.webp'}
+                        alt={team.name}
+                        className="w-full h-24 object-cover"
+                      />
                       <div className="p-4">
                         <div className="flex items-center space-x-3 mb-2">
-                          {team.logo && <img src={team.logo} alt={team.name} className="w-10 h-10 rounded-full object-cover" />}
+                          {team.logo && (
+                            <img
+                              src={team.logo}
+                              alt={team.name}
+                              className="w-10 h-10 rounded-full object-cover"
+                            />
+                          )}
                           <div className="flex-1 min-w-0">
-                            <h3 className="font-bold text-gray-900 dark:text-white line-clamp-2">{team.name}</h3>
+                            <h3 className="font-bold text-gray-900 dark:text-white line-clamp-2">
+                              {team.name}
+                            </h3>
                             <div className="text-sm text-gray-600 dark:text-neutral-400 flex gap-2">
-                              <p className="truncate flex-1 min-w-0">📍 {team.city}</p>
-                              <p className="whitespace-nowrap shrink-0">👥 {team.members?.length || 0} members</p>
+                              <p className="truncate flex-1 min-w-0">
+                                📍 {team.city}
+                              </p>
+                              <p className="whitespace-nowrap shrink-0">
+                                👥 {team.members?.length || 0} members
+                              </p>
                             </div>
                           </div>
                         </div>
-                        <p className="text-gray-600 dark:text-neutral-400 text-sm line-clamp-2">{team.description}</p>
+                        <p className="text-gray-600 dark:text-neutral-400 text-sm line-clamp-2">
+                          {team.description}
+                        </p>
                       </div>
                     </Link>
                   ))}
@@ -121,10 +170,14 @@ const UserProfilePage: FC = (): ReactElement => {
               </div>
             ) : (
               <div className="bg-white dark:bg-neutral-900 rounded-lg shadow-md dark:shadow-neutral-950/50 p-4 md:p-6">
-                <h2 className="text-lg md:text-xl font-bold text-gray-900 dark:text-white mb-3 md:mb-4">Teams</h2>
+                <h2 className="text-lg md:text-xl font-bold text-gray-900 dark:text-white mb-3 md:mb-4">
+                  Teams
+                </h2>
                 <div className="text-center py-8">
                   <div className="text-4xl mb-3">👥</div>
-                  <p className="text-gray-600 dark:text-neutral-400">Not in any team yet</p>
+                  <p className="text-gray-600 dark:text-neutral-400">
+                    Not in any team yet
+                  </p>
                 </div>
               </div>
             )}
@@ -134,16 +187,26 @@ const UserProfilePage: FC = (): ReactElement => {
           <div className="space-y-4 md:space-y-6">
             {/* Contact Info */}
             <div className="bg-white dark:bg-neutral-900 rounded-lg shadow-md dark:shadow-neutral-950/50 p-4 md:p-6">
-              <h3 className="text-base md:text-lg font-bold text-gray-900 dark:text-white mb-3 md:mb-4">Contact Information</h3>
+              <h3 className="text-base md:text-lg font-bold text-gray-900 dark:text-white mb-3 md:mb-4">
+                Contact Information
+              </h3>
               <div className="space-y-3">
                 <div>
-                  <p className="text-sm text-gray-600 dark:text-neutral-400">Email</p>
-                  <p className="text-gray-900 dark:text-white font-medium">{user.email}</p>
+                  <p className="text-sm text-gray-600 dark:text-neutral-400">
+                    Email
+                  </p>
+                  <p className="text-gray-900 dark:text-white font-medium">
+                    {user.email}
+                  </p>
                 </div>
                 {user.location && (
                   <div>
-                    <p className="text-sm text-gray-600 dark:text-neutral-400">Location</p>
-                    <p className="text-gray-900 dark:text-white font-medium">{user.location}</p>
+                    <p className="text-sm text-gray-600 dark:text-neutral-400">
+                      Location
+                    </p>
+                    <p className="text-gray-900 dark:text-white font-medium">
+                      {user.location}
+                    </p>
                   </div>
                 )}
               </div>