Conditionally enabled fields have added CSS element.style that changes font color

Questions
4

When .notblack is the class of your checkbox field the following CSS should work. It goes on the enable/disable status of the field rather then an existing style attribute.

.notblack&nbsp;[type="checkbox"]:disabled + .nx-checkboxlabel {<br>&nbsp; &nbsp;color:#54698d !important;<br>}