Products - Fuse - Connectors - Close icon has wrong hitbox

See https://developers.redhat.com/products/fuse/connectors

When user opens about connector modal, he might struggle to close the modal because of wrong hitbox of close icon.

In attachments there are 3 images. wrong hitbox.png image demonstrates non functional close icon.
correct hitbox.png shows fixed close icon. css.png image shows css of fixed close icon.