Accessibility audit

[jonaharagon]

• Chrome's accessibility audit recommends removing user-scalable=no and setting maximum-scale to a value >5. Current: <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">

• The default link color #2196f3 may be too light, not enough contrast with a white background.

• The grey footer background #9e9e9e may not provide enough contrast with the white text.

• The mobile hamburger button that provides the slide-out navigational menu does not provide a discernable name for screen reader users.