chrome browser issue with asp.net 3.5 website -

i have developed 1 website in asp.net 3.5. running in browsers flickering in chrome. not able find reason. doing is, have 5 type of banners(header,footer,silver,gold , diamond) , each 1 refreshing on different time. using update panels. url of website http://www.allindiaeducationalhub.com.

i thankfull if me

it happening because of css property used there. need concern browser version , css support that.