Mobile menu unclickable/unfocused in Safari browser

[sydrosa]

[Mobile menu unclickable/unfocused in Safari browser]: When on an iPhone mobile device using Safari, or using the Safari browser on your desktop in any screen under 1056px, the navigation links in the mobile nav are unclickable.

Detailed description

Describe in detail the issue you're having.
After you click the hamburger menu, the navigation list appears, however, none of the navigation items are clickable.

Is this a feature request (new component, new icon), a bug, or a general issue?
Bug.

Is this issue related to a specific component?
Yes, the UI Global Header Shell

What did you expect to happen? What happened instead? What would you like to see changed?
I expected clicking on each link would take you to the correct page -- I've double checked and made sure that the router was not the issue.

What browser are you working in?
Safari

What version of the Carbon Design System are you using?
"dependencies": { "@babel/core": "^7.0.0-0", "@carbon/grid": "^10.13.0", "@carbon/ibmdotcom-web-components": "^0.4.0", "@carbon/icons": "^10.19.0", "@carbon/icons-vue": "^10.14.0", "@carbon/themes": "^10.20.0", "@carbon/vue": "^2.30.1", "axios": "^0.20.0", "carbon-components": "^10.21.0", "core-js": "^2.6.5", "google-maps-api-loader": "^1.1.1", "lit-element": "^2.4.0", "lit-html": "^1.3.0", "vue": "^2.6.12", "vue-plugin-load-script": "^1.3.2", "vue-router": "^3.4.6", "vuejs-countdown": "^0.2.1", "webpack": "^4" }

What offering/product do you work on? Any pressing ship or release dates we should be aware of?
This is for an open source project -- no product.

Steps to reproduce the issue

1. Go to fivefifthsvoter.com on Safari
2. Ensure your screen size is below 1056px
3. Click on hamburger menu in the top right corner
4. Attempt to click on navigation links

Additional information

N/A