diff --git a/devU-api/src/migration/1730867565396-publicCourses.ts b/devU-api/src/migration/1730867565396-publicCourses.ts
index 029ff8c..79a7b46 100644
--- a/devU-api/src/migration/1730867565396-publicCourses.ts
+++ b/devU-api/src/migration/1730867565396-publicCourses.ts
@@ -4,13 +4,30 @@ export class Migration1730867565396 implements MigrationInterface {
     name = 'Migration1730867565396'
 
     public async up(queryRunner: QueryRunner): Promise<void> {
-        await queryRunner.query(`ALTER TABLE "courses" ADD "is_public" boolean NOT NULL DEFAULT false`);
-        await queryRunner.query(`ALTER TABLE "courses" ADD "private_data" TIMESTAMP NOT NULL DEFAULT now()`);
+        //have to use raw SQL to fix queryfailederror for columns that already exist
+        const isPublicExists = await queryRunner.query(` 
+            SELECT column_name 
+            FROM information_schema.columns 
+            WHERE table_name = 'courses' AND column_name = 'is_public';
+        `);
+
+        if (isPublicExists.length === 0) {
+            await queryRunner.query(`ALTER TABLE "courses" ADD "is_public" boolean NOT NULL DEFAULT false`);
+        }
+
+        const privateDataExists = await queryRunner.query(`
+            SELECT column_name 
+            FROM information_schema.columns 
+            WHERE table_name = 'courses' AND column_name = 'private_data';
+        `);
+
+        if (privateDataExists.length === 0) {
+            await queryRunner.query(`ALTER TABLE "courses" ADD "private_data" TIMESTAMP NOT NULL DEFAULT now()`);
+        }
     }
 
     public async down(queryRunner: QueryRunner): Promise<void> {
-        await queryRunner.query(`ALTER TABLE "courses" DROP COLUMN "private_data"`);
-        await queryRunner.query(`ALTER TABLE "courses" DROP COLUMN "is_public"`);
+        await queryRunner.query(`ALTER TABLE "courses" DROP COLUMN IF EXISTS "private_data"`);
+        await queryRunner.query(`ALTER TABLE "courses" DROP COLUMN IF EXISTS "is_public"`);
     }
-
 }
diff --git a/devU-client/src/components/pages/assignments/assignmentDetailPage.scss b/devU-client/src/components/pages/assignments/assignmentDetailPage.scss
index 182c493..aa3e8e4 100644
--- a/devU-client/src/components/pages/assignments/assignmentDetailPage.scss
+++ b/devU-client/src/components/pages/assignments/assignmentDetailPage.scss
@@ -174,16 +174,61 @@
     padding: 10px;
 }
 
+@media (max-width: 768px) {
+    .wrap {
+        flex-direction: column;
+        align-items: center;
+        padding: 15px;
+    }
+
+    .assignment_card {
+        width: 90%;
+        max-width: 500px;
+        margin: 0 auto; 
+        padding: 20px;
+    }
+
+    .options_buttons {
+        flex-direction: column;
+        justify-content: center; 
+        width: 100%;
+        gap: 10px;
+    }
+
+    .buttons {
+        width: auto; 
+        padding: 10px 20px;
+        font-size: 15px;
+        margin: 0;
+    }
+    .card {
+        background-color: $list-item-background;
+        border-radius: 8px;
+        padding: 20px;
+        width: 200px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+	    margin: 20px;
+    }
+}
+
 @media (max-width: 370px) {
     .header {
-        flex-direction: column; 
-        align-items: center; 
-        width:400px;
-        
+        align-items: center;
+        padding: 10px;
+    }
+
+    .card, .assignment_card {
+        width: 100%;
+        max-width: 100%;
+        padding: 15px;
     }
 
     .buttons {
-        width: 100%; 
-        max-width: none; 
+        padding: 10px;
+        font-size: 14px;
+    }
+
+    .submissionsContainer {
+        padding: 10px;
     }
 }
\ No newline at end of file