The link color has a too low color contrast against the background color

the dark link on dark background color makes the readability of the docs challenging. if you check the links with for example the accessibility tab in firefox you have ratios between 1.11:1 and 4.27:1 the minimum ratio should be 4.5:1 for an AA rating (WCAG SC 1.4.3 - https://ecaguide.org/modeller/bpmn/bpmn_io/#used-components was the page where i've noticed)