[ACC-285] reduce main.css and solve firefox issue
[ACC-285] reduce main.css and solve firefox issue

echinopsii/net.echinopsii.ariane.community.core.mapping,echinopsii/net.echinopsii.ariane.community.core.mapping,echinopsii/net.echinopsii.ariane.community.core.mapping,echinopsii/net.echinopsii.ariane.community.core.mapping