added arrows to tutorial

src/app/components/tutorial/tutorial.component.html

@@ -1,13 +1,15 @@
 <!-- <div class="tutorial"> -->
 <div class="add-account" *ngIf="showAddAccount">
-    <div class="add-account__arrow"></div>
+    <!-- <div class="add-account__arrow"></div> -->
+    <img class="add-account__arrow" src="assets/img/arrow_1.png" alt="arrow pointing the +">
     <h3 class="add-account__title">Welcome to Sengi!</h3>
     <p class="add-account__description">
         Let's start, click the "+" button to add a new account.
     </p>
 </div>
 <div class="open-account" *ngIf="showOpenAccount">
-    <div class="open-account__arrow"></div>
+    <!-- <div class="open-account__arrow"></div> -->
+    <img class="open-account__arrow" src="assets/img/arrow_2.png" alt="arrow pointing the first account">
     <div class="open-account__mouse-icon"></div>
     <h3 class="open-account__title">Nice!</h3>
     <p class="open-account__description">

src/app/components/tutorial/tutorial.component.scss

@@ -24,7 +24,9 @@
     position: absolute;
 
     &__arrow {
-
+        position: fixed;
+        top: 15px;
+        left: 60px;
     }
 
     &__title{
@@ -35,8 +37,8 @@
 
     &__description {
         position: relative;
-        top: 40px;
-        left: 70px;
+        top: 45px;
+        left: 75px;
 
         text-align: center;
 
@@ -53,7 +55,9 @@
     position: absolute;
 
     &__arrow {
-        position: relative;
+        position: fixed;
+        top: 85px;
+        left: 65px;
     }
 
     &__title{