Horizontal Scroll Bar in Search Box

Hi, as the subject says and I really don't know the name of it, but it if I move the cursor to any search box or even this box I type in or a a link, a bar shows with the cursor.
I can still search and type of course but it's aggravating and I don't know how it started doing that or how to get it off.
Could someone please help me with this?
Thanks,
 
Fixed it! After doing a lot of searching and trying different things, one said to change the mouse settings. That didn't work but then I went to cursor settings and change the size and color and tried it and it worked, I then changed back to normal size and white. I don't know what I did to make it mess up but I'm glad it's fixed.
 
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