Yahoo Mail iOS
Engine: Yahoo·mobile·Dark mode: Yes
CSS coverage profile for Yahoo Mail iOS
Yahoo Mail iOS renders with the Yahoo engine and supports 102 of 255 tracked CSS and HTML features fully, with 25 partially supported and 126 unsupported. That places it in a moderate coverage band.
A meaningful portion of CSS is unsupported or partially supported. Plan fallbacks for layout-critical features and validate every template before send.
102
Supported
25
Partial
126
Unsupported
255
Total
HTML Elements40
| Feature | Support |
|---|---|
| <abbr> | Unsupported |
| <acronym> | Unsupported |
| <address> | Supported |
| <audio> | Unsupported |
| <base> | Partial |
| <bdi> | Unsupported |
| <blockquote> | Supported |
| <body> | Unsupported |
| <code> | Supported |
| <del> | Supported |
| <dfn> | Supported |
| <dialog> | Unsupported |
| <div> | Supported |
| <form> | Unsupported |
| <h1> | Supported |
| <hr> | Supported |
| <img> | Supported |
| <link> | Unsupported |
| <marquee> | Supported |
| <meter> | Unsupported |
| <object> | Unsupported |
| <p> | Supported |
| <picture> | Unsupported |
| <pre> | Supported |
| <progress> | Unsupported |
| <rp> | Supported |
| <rt> | Supported |
| <ruby> | Supported |
| <select> | Unsupported |
| <small> | Supported |
| <span> | Supported |
| <strike> | Supported |
| <strong> | Supported |
| <style> | Supported |
| <svg> | Unsupported |
| <table> | Supported |
| <textarea> | Supported |
| <ul> | Partial |
| <video> | Unsupported |
| <wbr> | Supported |
CSS At-Rules5
| Feature | Support |
|---|---|
| @font-face | Unsupported |
| @import | Unsupported |
| @keyframes | Unsupported |
| @media | Unsupported |
| @supports | Supported |
Pseudo-Elements6
| Feature | Support |
|---|---|
| ::after | Unsupported |
| ::before | Unsupported |
| ::first-letter | Supported |
| ::first-line | Supported |
| ::marker | Supported |
| ::placeholder | Supported |
Pseudo-Classes & Selectors34
| Feature | Support |
|---|---|
| :adjacent-sibling | Supported |
| :attribute-selector | Partial |
| :chaining | Supported |
| :checked | Supported |
| :child-combinator | Supported |
| :class-selector | Supported |
| :descendant-combinator | Supported |
| :first-child | Supported |
| :first-of-type | Supported |
| :focus | Supported |
| :focus-visible | Unknown |
| :focus-within | Unknown |
| :general-sibling | Supported |
| :grouping | Supported |
| :has | Unsupported |
| :hover | Supported |
| :id-selector | Supported |
| :lang | Unsupported |
| :last-child | Supported |
| :last-of-type | Supported |
| :link | Supported |
| :not | Unsupported |
| :nth-child | Unsupported |
| :nth-last-child | Unsupported |
| :nth-of-type | Unsupported |
| :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 | Unsupported |
CSS Functions8
| Feature | Support |
|---|---|
| calc | Unsupported |
| clamp | Unsupported |
| conic-gradient | Unsupported |
| fit-content | Unsupported |
| linear-gradient | Unsupported |
| max | Unsupported |
| min | Unsupported |
| 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.