Why is my menu heading on the home page transparent and white?

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Why is my menu heading on the home page transparent and white. I believe it is set to black.on an iphone it is completely invisible

WordPress Agent
May I know your Website Address Please ?

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abc.com

WordPress Agent
please provide username and password

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username:*****
password:*******

WordPress Agent
okay I see that issue and we will fix it.

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wow! that’s great

WordPress Agent
you are welcome!