Navbar and sidenav not showing on Android - code helper

Navbar and sidenav not showing on Android/by orthlieb

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Default Moto G4 Galaxy S5 Pixel 2 Pixel 2 XL iPhone 5/SE iPhone 6/7/8 iPhone 6/7/8 Plus iPhone X iPad iPad Pro Surface Duo Galaxy Fold

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HTML
CSS
JS

<!DOCTYPE HTML>

.courageous-text {

// SideNav Button Initialization

Console errors: 0