I don't know how to put this? Bizarre spring on my screen lol

[dunksby]

There is this tiny spring on my browser and only on my OTC tab. What's funny and bizarre is that I can compress it using the cursor and let it spring
I did some Googling and didn't find anything useful.
Screenshot:

[9erempiree]

I have it too but it is now gone.

[SexSymbol]

That's a symbol that somebody put in the thread title.

[Chizdog]

T̴̝͓̼͙͓̦̣͙ͬ̎ͣ̇̕ǫ̸̢̦͕̖̙̞̭̓o̡̠͈̣̬͉̟ͨ̓ͣ͞ ̫̼͕̩̙̹͍̯͊͗͊̃ͮ̀͛͂͟͜s͎͈̲̦̞̠̙ͤ͐͂̋͛p̦̫͎̏ͦ͛͛͛̎̓ͫö́̉̇̾ͧ͑ ͇̖̺͉͍̫͒͛o͇̘͍ͨ͊̐̿̌̀̈́͐̀͟ķ͇̼̬͚̟͉͇ͫ̕͝y̞̻ͯ͊̈ͥ͗̽ͨ͗ ͓̺̍͌ͩ͠ḟ̢͍̫͖̗̯̝̥͖̝ơ̢̘͕̱͇ͥ̿̀ͥ̚͡ͅr͎̯͎̣ͪ̔ͤͩͩͨ͠ ̫̮ͮ̋͋̓ͥͅi̶͔̜̤͙͉̗͐ͧ̂͟s̴̗̬̙͈̦ͣͮ̅̋̽͑ͣ̈͌́͘h̦̐̄̈́ͦ̿̀