Your CSS is using `device-width` in its media queries. This is an outdated practice that can cause your responsive design to fail on some devices, especially as screen densities change. The modern standard is to use `width`, which refers to the width of the viewport, not the physical screen.
@media (min-device-width: 768px) { ... }Replace all instances of `min-device-width` and `max-device-width` with `min-width` and `max-width`.
@media (min-width: 768px) { ... }Using `width` ensures your media queries are based on the available browser space (the viewport), which is a more reliable and future-proof way to build responsive layouts.
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