Fix an bug that can not scroll on the Trace page (#2658)
Fix an bug that can not scroll on the Trace page (#2658)


openzipkin/zipkin,openzipkin/zipkin,openzipkin/zipkin,adriancole/zipkin,twitter/zipkin,twitter/zipkin,twitter/zipkin,adriancole/zipkin,openzipkin/zipkin,twitter/zipkin,adriancole/zipkin,adriancole/zipkin,openzipkin/zipkin