This code is used to add the button below to the Make A Payment page. The link that this lands on was able to be copied and very simply pasted into the address for adding a button so it is no longer needed.

Changes made 9/18/2018

<form action="https://www.paypal.com/cgi-bin/webscr" method="post" target="_blank">
<input type="hidden" name="cmd" value="_s-xclick">
<input type="hidden" name="hosted_button_id" value="FM6E4BPLCHMGU">
<input type="image" src="https://static1.squarespace.com/static/56b3d7ea0442629cb3db9c26/t/58263528725e25d0119922e0/1478899007093/payment?format=500w" width="200w"  style="PADDING-TOP: 20px" border="0" name="submit" alt="PayPal - The safer, easier way to pay online!">
<img alt="" border="0" src="https://www.paypalobjects.com/en_US/i/scr/pixel.gif" width="1" height="1" >
</form>

old 2018 button that is code injection block vs embed code