If it is the first case and the project team want a red rectangle in the signature then I don't think there are too many ways to create such shape.
Designers always use the same codes when designing shapes and I am sure they have those codes saved in their pcs to use them whenever needed.
If there is a part of your bbcode that you and only you can write then quote it here so we can make a better judgement.
For those who develop signatures for this forum and who are not biased, it is obvious by many signs that the code used by TotSamiy for the project H C X P A Y is the same code that I presented earlier in my projects (E C O S T A R T and E O O D D I N I N G). Yes TotSamiy made minor edits to the code. He did this in order to adapt it to the needs of his project. But he left about 80% of my idea in the code.
This is very easy to prove.
Note the code for the SR. MEMBER. See that the bottom bar and the top bar are shorter than the inscription "BUY HCX"? What do you think why? And I will answer you because the TotSamiy user simply did not think of adding more of these characters to the code █ to finish two lines. Count the number of these characters here █ in this line of code
[url=https://exrates.me/dashboard?currencyPair=HCXP/BTC][size=14pt][b][color=darkblue]BUY HCX[/url]
[size=2pt][color=darkorange]████████████████████████████████[/td]
They are the same number as in the code for E G O L D M I N I N G that I introduced earlier. This proves that the user TotSamiy stole the code and how much he had the mind to edit it. But he could not due to inexperience or anything else (after all, not from a great mind to resort to theft of someone else) completely redo MY code.