themes-wordpress/zoologist/sass/elements/_links.scss

.wp-block-post-content a:not(.wp-block-button__link) {
	text-decoration-line: underline;

	&:hover {
		text-decoration: none;
	}
}


// Select the focus states of all non-wpadmin and screen reader links
a:not(.ab-item):not(.screen-reader-shortcut) {

	&:active,
	&:focus {
		outline: 1px dotted currentcolor;
		text-decoration: none;
	}
}