Teach me creating landing/squeeze pages through bootstrap 4

Teach me creating landing/squeeze pages through bootstrap 4

I'm looking for someone who can teach me creating responsive landing/squeeze pages through bootstrap 4...
I want to create landing pages with high loading speed and compatible with all browsers
example landing page: https://saynotoboss.online/jstn/go/

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Requirements

I'm looking for someone who can teach me creating responsive landing/squeeze pages through bootstrap 4...
I want to create landing pages with high loading speed and compatible with all browsers
example landing page: https://saynotoboss.online/jstn/go/

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Skills Required

Bootstrap Html Css Java Javascript Webdesign