How can I change the colour of the remove button ('X’) on the Squarespace Cart

You can change the colour of the remove buttons by adding some CSS. For example, to change the colour of the ‘X’ to white, add the following to Design > Custom CSS:

/************************************** 
Remove button colour on cart page
Copyright SF Digital https://sf.digital
Use freely in your Custom CSS but  
do NOT re-publish.
**************************************/

#sqs-cart-container .item-remove button {
  color: white;
}