adjust logo size on smaller screens

[alishaevn]

Story

the logo in the navbar overlaps the menu button on screens <= 485px wide. on smaller screens, it extends off the screen entirely. the logo should behave responsively instead.

Acceptance Criteria

• the logo doesn't overlap the menu button, or go off screen, on screens 325px and above
• this work is contributed back to the webstore

Screenshots / Video

Implementation Suggestions

• change the class surrounding the image to w-75 instead of w-50
• contain the link that holds the image, within the links parent element