Space deleting

Hello,
i moved google map donw there by using this code.

<style type=”text/css”>
.gmp_map_opts {
margin-left: 777px;
}
</style>
<style type=”text/css”>
.gmp_MapPreview {
top: 472px;
}
</style>

Now i want to delete the space which is in the border of the photo and i don’t know how.Can you help me ?

http://prnt.sc/cvqbxi