body {     
    counter-reset: ex-counter; /* global counter for examples */
}
/* use global counter to number examples */ 
.org-ol { 
    list-style-type: none;
    padding: 0;
}
.org-ol li:before {
    content: '(' counter(ex-counter) ') ';
    counter-increment: ex-counter;
}
/* add parentheses to links in main text which refer back to examples */
.outline-text-2 p a:not(.noparens):before { content: '('; }
.outline-text-2 p a:not(.noparens):after { content: ')'; }