Webmail

Outlook.com

Microsoft’s free webmail service, which can be accessed through a web browser. Outlook.com is a successor to Hotmail.

Tested in Chrome on macOS.

Link Element
<link> in <head>
<link> in <body>
Selectors
E ~ F
E:not(s)
E[foo]
E[foo="bar"]
E[foo~="bar"]
E[foo^="bar"]
E[foo$="bar"]
E[foo*="bar"]
E:first-child
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:active
E:checked
E:empty
E:focus
E:hover
E:link
E:target
E:visited
Media Queries
@media
and
or (comma)
not
screen
only screen
all
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
EOT
SVG
TTF
WOFF
WOFF2
WOFF base64 encoded
WOFF2 base64 encoded
font-feature-settings
font-kerning
font-size-adjust
font-stretch
font-style

Partial. Supports italic, but not oblique.

font-synthesis
hyphens
overflow-wrap
text-fill-color
text-shadow
text-size-adjust
text-stroke
text-stroke-color
text-stroke-width
white-space
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
Box Model
border-image
box-shadow
box-sizing
Positioning & Display
bottom
cursor
left
object-fit
object-position
position
resize
right
top
z-index
Lists
list-style-image
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
align-content
align-items
align-self
display
flex
flex-basis
flex-direction
flex-flow
flex-grow
flex-shrink
flex-wrap
justify-content
order
Grid
align-self
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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