MC-16289: Buttons for Credentials don't show correctly for PayPal

Author: OlgaVasyltsun

app/design/adminhtml/Magento/backend/Magento_Paypal/web/css/source/_module.less

@@ -4,8 +4,8 @@
 //  */
 
 a {
- &[data-paypal-button=true] {
-     display: inline-block;
-     margin: .6rem 0;
- }
+    &[data-paypal-button=true] {
+        display: inline-block;
+        margin: .6rem 0;
+    }
 }