reporting services - SSRS big gap between chart and table beneath -

i use sql server 2008 r2 report builder 3.0. there 1 chart , 1 table in ssrs report. when preview report, there no gap between chart , table. however, when receive subscription of report in mhtml format. there big gap between chart , table. can know how resolve issue?

thanks,

try take 2 tables in rectangle, not moove yet think.