Design studio : Only in IE 11 Browser window looks small, in other browser no issues.

Hello Experts,

we have a new DS application build. when executing the application in Firefox, IE 10 or Safari there is no Problem. The application functions as expected.

However when executing only in IE 11, the browser Windows Looks small. PFA Image.

we are using DS 1.5 on netweaver platform.

Any ideas.

Thanks.