Why its screen overlapping in my tab?

why its screen overlapping in my tab?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0

crwdns2944067:02crwdne2944067:0:

Subhadeep, I'm afraid I don't understand the question. Can you post a picture of what you're trying to describe?

Adding images to an existing question

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

What do you mean by overlapping?

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

crwdns2934285:0crwdne2934285:0