Added styles for <strong> and <em>
Added styles for <strong> and <em>

james-logan/TimelineJS,angeliaz/TimelineJS,deenjohn/TimelineJS,zstao/TimelineJS,stea4lth/TimelineJS,noikiy/TimelineJS,anxintiancai/TimelineJS,CrossLead/TimelineJS,CrossLead/TimelineJS,azeemmufti/TimelineJS,NUKnightLab/TimelineJS,eldabbagh/TimelineJS,landsurveyorsunited/TimelineJS,matt-edgedesign/Timelinejs,wangjun/TimelineJS,eldabbagh/TimelineJS,JoaquinSiabra/TimelineJS,zstao/TimelineJS,anxintiancai/TimelineJS,landsurveyorsunited/TimelineJS,angeliaz/TimelineJS,ycaihua/TimelineJS,LauraHilliger/TimelineJS,james-logan/TimelineJS,cweems/api-timeline-js,pom95/timeline,JoaquinSiabra/TimelineJS,NUKnightLab/TimelineJS,LauraHilliger/TimelineJS,cweems/tc_timeline,NUKnightLab/TimelineJS,azeemmufti/TimelineJS,wangjun/TimelineJS,zstao/TimelineJS,1modm/TimelineJS,landsurveyorsunited/TimelineJS,ryekee/TimelineJS,noikiy/TimelineJS,fobsquad/timeline-JStest,1modm/TimelineJS,LauraHilliger/TimelineJS,pom95/timeline,anxintiancai/TimelineJS,wangjun/TimelineJS,djaney/TimelineJS,cweems/api-timeline-js,1modm/TimelineJS,pom95/timeline,james-logan/TimelineJS,chrismoulton/TimelineJS,JoaquinSiabra/TimelineJS,stea4lth/TimelineJS,cweems/tc_timeline,deenjohn/TimelineJS,chrismoulton/TimelineJS,ycaihua/TimelineJS,ycaihua/TimelineJS,deenjohn/TimelineJS,stea4lth/TimelineJS,ryekee/TimelineJS,djaney/TimelineJS,matt-edgedesign/Timelinejs,ryekee/TimelineJS,matt-edgedesign/Timelinejs,noikiy/TimelineJS,djaney/TimelineJS