My question is: How do you work out page i.d’s in order to remove the title from specific pages with the following code? Refer example in old post - https://colorlibsupport.com/t/removing-title-of-page/#post-80279
.page-id-xx .entry-header,
.page-id-xx .entry-header {
display: none;
}
.page-id-xx .entry-content,
.page-id-xx .entry-content {
margin-top: 0;
}