custom css not showing on multisite

i have published custom css on one of our microsites in a multisite network, but it does not show up on the site. how can i troubleshoot further?

debug info:

### WordPress Environment ###
Home URL: https://appt.clarksoneyecare.com
Site URL: https://appt.clarksoneyecare.com
WP Version: 4.7.5
CCJ Version: 3.2
WP Multisite: true
WP Memory Limit: 512M

### Report generated for:
https://appt.clarksoneyecare.com/locations/
### All codes ###
Array
(
[contains] => Array
(
[locations] => Array
(
[0] => 22.js
)

)

[all] => Array
(
[0] => 11.css
)

)
### Allowed codes ###
Array
(
[0] => 11.css
[1] => 22.js
)
### Search tree ###
Array
(
[5] => Array
(
[frontend-js-header-internal] => Array
(
[0] => 22.js
)

[frontend-css-header-internal] => Array
(
[0] => 11.css
)

)

)
### Filtered Search tree ###
Array
(
[5] => Array
(
[frontend-js-header-internal] => Array
(
[0] => 22.js
)

[frontend-css-header-internal] => Array
(
[0] => 11.css
)

)

)