When in my Potentials - I cannot change the "stage" field

When in my Potentials - I cannot change the "stage" field

I am using Safari and always have for the last 9 months.  This was not a problem until recently.  

So I create a potential and make it stage "qualification" - but them if it goes to "proposal" or "closed" I am now unable to change the stage status.  There is no "edit" button that floats up when I put my cursor in the Stage field like there used to be. 

Can you help?  Otherwise - I have no way to update my pipeline and make accurate forecasting. 

Thanks, 

Julie Mueller 
julie.mueller@qsample.com