diff --git a/FrontEnd/src/app/materials/materials-details/materials-details.component.html b/FrontEnd/src/app/materials/materials-details/materials-details.component.html
index e30c0f5..1e93d8e 100644
--- a/FrontEnd/src/app/materials/materials-details/materials-details.component.html
+++ b/FrontEnd/src/app/materials/materials-details/materials-details.component.html
@@ -1,7 +1,7 @@
 <div class="wrapper">
     <div class="content">
         <div>
-            <button class="btn btn-study-cave" (click)="goBack()"><i class="fas fa-arrow-left"></i> POWRÓT</button>
+            <button class="button" (click)="goBack()"><i class="fas fa-arrow-left"></i> POWRÓT</button>
             <div>
                 MATERIAŁY: {{title}} <br />
                 WŁAŚCICIEL: {{own}} <br />
@@ -23,4 +23,4 @@
             <button type="button" pButton icon="pi pi-close" (click)="display=false" label="NIE" class="ui-button-secondary"></button>
         </p-footer>
     </p-dialog>
-</div>
\ No newline at end of file
+</div>
diff --git a/FrontEnd/src/app/tests/single-choice-question/single-choice-question.component.css b/FrontEnd/src/app/tests/single-choice-question/single-choice-question.component.css
index a8bb21c..1598789 100644
--- a/FrontEnd/src/app/tests/single-choice-question/single-choice-question.component.css
+++ b/FrontEnd/src/app/tests/single-choice-question/single-choice-question.component.css
@@ -25,15 +25,6 @@
   margin-bottom: 10px;
 }
 
-.min
-{
-  min-width: 150px;
-}
-
-.max
-{
-  font-size: x-large;
-}
 
 .wrapper {
     width: 100%;