paypal link has been added

readMe.md

@@ -55,9 +55,10 @@
 | 30    |                                      [Conclusions](./30_conclusions/30_conclusions.md)                                      |
 
 🧡🧡🧡 HAPPY CODING 🧡🧡🧡
-<small>Support the **author** to create more educational materials</small> <br />  
-<a href = "https://www.paypal.me/asabeneh"><img src='./images/paypal_lg.png' alt='Paypal Logo' style="width:10%"/></a>
 
+<div>
+<small>Support the <strong>author</strong> to create more educational materials</small> <br />  
+<a href = "https://www.paypal.me/asabeneh"><img src='./images/paypal_lg.png' alt='Paypal Logo' style="width:10%"/></a>
 </div>
 
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