diff --git a/backend/.eslintignore b/backend/.eslintignore
index 0e20585..5f933a1 100644
--- a/backend/.eslintignore
+++ b/backend/.eslintignore
@@ -2,3 +2,4 @@
 /node_modules/*
 /dist/*
 /tests/*
+/jest.config.js
diff --git a/backend/.eslintrc.json b/backend/.eslintrc.json
index 126c2d5..f3b3648 100644
--- a/backend/.eslintrc.json
+++ b/backend/.eslintrc.json
@@ -12,7 +12,6 @@
     "plugins": ["@typescript-eslint"],
     "rules": {
         "indent": ["error", 4],
-        "linebreak-style": ["error", "unix"],
         "quotes": ["error", "single"],
         "semi": ["error", "always"]
     }
diff --git a/backend/.prettierrc b/backend/.prettierrc
index fe1af8e..a94e076 100644
--- a/backend/.prettierrc
+++ b/backend/.prettierrc
@@ -3,5 +3,5 @@
     "trailingComma": "es5",
     "tabWidth": 4,
     "semi": true,
-    "endOfLine": "lf"
+    "endOfLine": "crlf"
 }
diff --git a/backend/jest.config.js b/backend/jest.config.js
index 3b3d440..7e1c851 100644
--- a/backend/jest.config.js
+++ b/backend/jest.config.js
@@ -1,3 +1,4 @@
+/* eslint-disable no-undef */
 module.exports = {
     transform: { '^.+\\.d?ts?$': 'ts-jest' },
     testEnvironment: 'node',
diff --git a/backend/uno-game-engine/deck.ts b/backend/uno-game-engine/deck.ts
index 9e113f5..c25ebe0 100644
--- a/backend/uno-game-engine/deck.ts
+++ b/backend/uno-game-engine/deck.ts
@@ -55,7 +55,11 @@ export function getShuffledCardDeck(): Array<UNOCard> {
  * Helper function to make a card object.
  * @returns {UNOCard} The composed UNO card.
  */
-export function makeCard(type: CardType, color: CardColor, value: CardValue): UNOCard {
+export function makeCard(
+    type: CardType,
+    color: CardColor,
+    value: CardValue
+): UNOCard {
     //todo: Implement unique identification of cards by assigning an id to each card
     return { type, color, value, id: undefined };
 }