Outlook for Mac
Engine: WebKit·desktop·Dark mode: Yes
CSS coverage profile for Outlook for Mac
Outlook for Mac renders with the WebKit engine and supports 199 of 255 tracked CSS and HTML features fully, with 14 partially supported and 41 unsupported. That places it in a broad coverage band.
Modern CSS works largely as expected. The cost of supporting this client is low. Most production templates need only minor adjustments.
199
Supported
14
Partial
41
Unsupported
255
Total
HTML Elements40
| Feature | Support |
|---|---|
| <abbr> | Supported |
| <acronym> | Supported |
| <address> | Supported |
| <audio> | Unsupported |
| <base> | Partial |
| <bdi> | Supported |
| <blockquote> | Supported |
| <body> | Unsupported |
| <code> | Supported |
| <del> | Supported |
| <dfn> | Supported |
| <dialog> | Supported |
| <div> | Supported |
| <form> | Unsupported |
| <h1> | Supported |
| <hr> | Supported |
| <img> | Supported |
| <link> | Supported |
| <marquee> | Supported |
| <meter> | Supported |
| <object> | Partial |
| <p> | Supported |
| <picture> | Supported |
| <pre> | Supported |
| <progress> | Supported |
| <rp> | Supported |
| <rt> | Supported |
| <ruby> | Supported |
| <select> | Supported |
| <small> | Supported |
| <span> | Supported |
| <strike> | Supported |
| <strong> | Supported |
| <style> | Supported |
| <svg> | Supported |
| <table> | Supported |
| <textarea> | Supported |
| <ul> | Partial |
| <video> | Supported |
| <wbr> | Supported |
CSS At-Rules5
| Feature | Support |
|---|---|
| @font-face | Supported |
| @import | Supported |
| @keyframes | Supported |
| @media | Supported |
| @supports | Supported |
Pseudo-Elements6
| Feature | Support |
|---|---|
| ::after | Partial |
| ::before | Partial |
| ::first-letter | Partial |
| ::first-line | Partial |
| ::marker | Supported |
| ::placeholder | Partial |
Pseudo-Classes & Selectors34
| Feature | Support |
|---|---|
| :adjacent-sibling | Supported |
| :attribute-selector | Supported |
| :chaining | Supported |
| :checked | Supported |
| :child-combinator | Supported |
| :class-selector | Supported |
| :descendant-combinator | Supported |
| :first-child | Supported |
| :first-of-type | Supported |
| :focus | Supported |
| :focus-visible | Partial |
| :focus-within | Partial |
| :general-sibling | Supported |
| :grouping | Supported |
| :has | Unsupported |
| :hover | Supported |
| :id-selector | Supported |
| :lang | Unsupported |
| :last-child | Supported |
| :last-of-type | Supported |
| :link | Supported |
| :not | Supported |
| :nth-child | Supported |
| :nth-last-child | Supported |
| :nth-of-type | Supported |
| :only-child | Supported |
| :only-of-type | Supported |
| :target | Supported |
| :type-selector | Supported |
| :universal-selector | Supported |
| :visited | Supported |
| pseudo-class-active | Supported |
| pseudo-class-default | Supported |
| pseudo-class-nth-last-of-type | Supported |
CSS Functions8
| Feature | Support |
|---|---|
| calc | Supported |
| clamp | Unsupported |
| conic-gradient | Supported |
| fit-content | Supported |
| linear-gradient | Unsupported |
| max | Supported |
| min | Supported |
| radial-gradient | Unsupported |
CSS Properties162
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Try Emailens FreeSupport data last updated Apr 27, 2026 · synced from caniemail.com via @emailens/engine.