Search input element in the navigation bar is misaligned at various screen-widths.

[cojohen]

Issue

The Search input element that's displayed in the navigation bar at the top, right side of the page is not aligned correctly at various screen-widths.

Reproducing the Issue

1. Navigate to https://docs.uniswap.org/
2. Locate the Search input field at the top, righthand side of the page.
3. Adjust the browser window width downward until the page is less than 997px wide.
4. Observe that the issue is visible at every screen-width below this value. The issue appears in different forms at different breakpoints. (See screenshots below)

Screenshots

No Issue (screen-width is > 996px)

Screen-width is 995px

Screen-width is 959px

Screen-width is 750px

Screen-width is 387px

Expected Behavior

The search field should be vertically aligned with the navigation bar at all of the viewport breakpoints. It should not overflow the navigation bar. The search field should be contained within the navigation bar at all viewport sizes.