Css guide Email clients

Desktop See all 11

AOL Desktop Apple Mail 10 IBM Notes 9 Outlook 2000–03 Outlook 2007–16 Outlook Express Outlook for Mac Postbox
Thunderbird Windows 10 Mail Windows Live Mail

Mobile See all 16

Android 4.2.2 Mail Android 4.4.4 Mail AOL Alto Android app AOL Alto iOS app BlackBerry Gmail Android app Gmail Android app IMAP Gmail iOS app
Gmail mobile webmail iOS 10 Mail iOS 11 Mail Outlook Android app Outlook iOS app Windows Phone 8 Mail Yahoo! Mail Android app Yahoo! Mail iOS app

Webmail

AOL Mail G Suite Gmail Outlook.com Yahoo! Mail

Desktop

Outlook Express

Free email client bundled with Windows from Windows 98 until Windows Server 2003. It displays emails using the version of Internet Explorer currently installed on the computer.

Tested with Internet Explorer 8 rendering on Windows XP.

Link Element
<link> in <head>
<link> in <body>
Selectors
E:not(s)
E:last-child
E:first-of-type
E:last-of-type
E:nth-child(n)
E:nth-last-child(n)
E:nth-of-type(n)
E:nth-last-of-type(n)
E::first-letter
E::first-line
E::before
E::after
E:checked
E:empty
E:focus
E:target
E:visited
Media Queries
and
or (comma)
not
only screen
any-hover
any-pointer
hover
max-aspect-ratio
max-device-aspect-ratio
max-device-height
max-device-pixel-ratio
max-device-width
max-height
max-resolution
max-width
min-aspect-ratio
min-device-aspect-ratio
min-device-height
min-device-pixel-ratio
min-device-width
min-height
min-resolution
min-width
orientation
pointer
Text & Fonts
@font-face

User is prompted to download webfont, but it doesn’t display.

EOT
SVG
TTF
WOFF
WOFF2
WOFF base64 encoded
WOFF2 base64 encoded
font-family

Mostly supported, but unquoted font names containing line breaks don’t work.

font-feature-settings
font-kerning
font-size-adjust
font-stretch
font-synthesis
font-variant

Partial. Supports CSS2 values, but not CSS3.

hyphens
overflow-wrap
text-fill-color
text-size-adjust
text-stroke
text-stroke-color
text-stroke-width
word-wrap

Buggy. Text styled with word-wrap: normal is clipped, instead of breaking out of container.

Color & Background
background

Partial. Values containing background images are not supported.

background-attachment
background-blend-mode
background-clip
background-image
background-origin
background-position
background-repeat
background-size
isolation
mix-blend-mode
CSS gradients
Data URI background image
Multiple background images
HSL Colors
HSLA Colors
RGBA Colors
currentColor
Box Model
border-bottom-left-radius
border-bottom-right-radius
border-image
border-radius
border-top-left-radius
border-top-right-radius
box-shadow
box-sizing
max-height
max-width
min-height
min-width
Positioning & Display
cursor

Partial. Doesn’t support url(), some support for CSS3 properties.

Positioning and Display: Display

Partial. Supports block, inline, list-item, and none.

object-fit
object-position
opacity
outline
outline-color
outline-style
outline-width
resize
Lists
list-style-image
list-style-type

Partial. Supports none, disc, circle, square, decimal, lower-alpha, upper-alpha, lower-roman, and upper-roman.

Tables
border-spacing
caption-side
Animations
animation
animation-delay
animation-direction
animation-duration
animation-fill-mode
animation-iteration-count
animation-name
animation-play-state
animation-timing-function
Transforms
backface-visibility
perspective
perspective-origin
transform
transform-origin
transform-style
Transitions
transition
transition-delay
transition-duration
transition-property
transition-timing-function
Filters
backdrop-filter
filter
Columns
break-after
break-before
break-inside
column-count
column-fill
column-gap
column-rule
column-rule-color
column-rule-style
column-rule-width
column-span
column-width
columns
Flexbox
Flexbox: align-content
Flexbox: align-items
align-self
Flexbox: display
flex
flex-basis
flex-direction
flex-flow
flex-grow
flex-shrink
flex-wrap
justify-content
order
Grid
align-content
align-items
align-self
display
grid
grid-area
grid-auto-columns
grid-auto-flow
grid-auto-rows
grid-column
grid-column-end
grid-column-gap
grid-column-start
grid-gap
grid-row
grid-row-end
grid-row-gap
grid-row-start
grid-template-areas
grid-template-columns
grid-template-rows
justify-content
justify-items
justify-self

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