Properly align Paypal icon. Unfortunately, fas and fab use different alignments so we need to install a special CSS rule here.

Signed-off-by: DL6ER <dl6er@dl6er.de>

scripts/pi-hole/php/header.php

@@ -595,7 +595,7 @@ if($auth) {
                 <!-- Donate -->
                 <li>
                     <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=3J2L3Z4DHW9UY" target="_blank">
-                        <i class="fa-icon fab fa-paypal"></i> <span>Donate</span>
+                        <i class="fa-paypal-icon fab fa-paypal"></i> <span>Donate</span>
                     </a>
                 </li>
                 <?php if($auth){ ?>

style/pi-hole.css

@@ -176,9 +176,9 @@
     float:left;
 }
 
-.fa-icon {
-    width: 20px;
-    text-align: center-5px;
+.fa-paypal-icon {
+    width: 18px;
+    margin-left: 2px;
 }
 
 .sidebar-toggle:before {