How should i hidden the grafana button which in the left top

when i share the dashborads report to my website use the iframe ,i found the left top have grafana pic ,when i move here ,this can click ,when i click ,this can reward a new page ,but i do not want my customer to see this ,how can hidden it .i also know i can add an param &kiosk at the url end ,but when i use this param ,this also can not show the time range select ,i want to show the time range selecte,do you have any idear to help me ,thanks!
my share link is :link