How to have color bars in forum signature?

[Fli]

Hello, i want to ask how are made color bars on the beginning of the John H​ostiServer signature?
see: http://internetlifeforum.com/webhosting-discussion/785-what-web-hosting-web-hosting-best-website/#post3463

thx

[NomanProdhan]

No Idea. You should ask him.

[John HostiServer]

Hi,
not that hard just color the full block character. Check the link.

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