don't force a top-right position of the share dialog, does not work when non-iframe embedded
don't force a top-right position of the share dialog, does not work when non-iframe embedded

nathandunn/jbrowse,nathandunn/jbrowse,GMOD/jbrowse,nathandunn/jbrowse,GMOD/jbrowse,GMOD/jbrowse,GMOD/jbrowse,nathandunn/jbrowse,nathandunn/jbrowse,GMOD/jbrowse