Faces tagging in Firefox: Detail: Invalid Page when tagging faces

[ChrisFab16]

Latest docker dev image (frontend image: d0d98006d62c)

Firefox debug log:

content.js:8:1240
Error in parsing value for ‘image-rendering’. Declaration dropped. leaflet.css:34:19
Unknown property ‘behavior’. Declaration dropped. leaflet.css:114:11
Expected ‘none’, URL, or filter function but found ‘progid’. Error in parsing value for ‘filter’. Declaration dropped. leaflet.css:542:10
Unknown property ‘-moz-osx-font-smoothing’. Declaration dropped. index-3-CbAyEn.css:4:673
Unrecognized at-rule or error parsing at-rule ‘@-ms-keyframes’. index-3-CbAyEn.css:4:34417
Unrecognized at-rule or error parsing at-rule ‘@-o-keyframes’. index-3-CbAyEn.css:4:34466
Unrecognized at-rule or error parsing at-rule ‘@-ms-keyframes’. index-3-CbAyEn.css:4:34664
Unrecognized at-rule or error parsing at-rule ‘@-o-keyframes’. index-3-CbAyEn.css:4:34712
Error in parsing value for ‘background’. Declaration dropped. index-3-CbAyEn.css:4:35579
Error in parsing value for ‘width’. Declaration dropped. index-3-CbAyEn.css:4:35614
Error in parsing value for ‘letter-spacing’. Declaration dropped. index-3-CbAyEn.css:4:43320
Unknown property ‘-moz-osx-font-smoothing’. Declaration dropped.