MediaWiki:Main.css

#n-Activities > i:nth-child(1)::before {
    content: '\f00b';
    font-family: 'fontawesome';
}
#n-FAQ > i:nth-child(1)::before {
    content: '\e9d9';
    font-family: 'entypo';
}
#n-Resources > i:nth-child(1)::before {
    content: '\e948';
    font-family: 'entypo';
}
#n-Working groups > i:nth-child(1)::before {
    content: '\ea37';
    font-family: 'entypo';
}