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CSS Classes

For most roles/directive, it is preferentially recommended to use the available options to style components since, for example, this allows for better cross-output-format styling.

But for custom cases, these roles/directives also provide class options for adding CSS classes directly to element, or you can directly use the div directive. All CSS classes that are part of sphinx-design are prefixed with sd-.

:::{div} sd-text-center sd-font-italic sd-text-primary Some CSS styled text :::


````{tab-set-code}
```{literalinclude} ./snippets/myst/div-basic.txt
:language: markdown
```
```{literalinclude} ./snippets/rst/div-basic.txt
:language: rst
```
````

If you find yourself using a class(es) often, consider opening an issue to request a new role/directive or option!

The div directive also has the style option, which allows you to add inline CSS styles, although it is not recommended to use this option for most cases.

Text

Classes are available for styling and alignment:

  • Alignment:
    • sd-text-justify
    • sd-text-left
    • sd-text-right
    • sd-text-center
  • Size (size decreases from 1 to 6):
    • sd-fs-1
    • sd-fs-2
    • sd-fs-3
    • sd-fs-4
    • sd-fs-5
    • sd-fs-6
  • Weight:
    • sd-font-weight-light
    • sd-font-weight-lighter
    • sd-font-weight-normal
    • sd-font-weight-bold
    • sd-font-weight-bolder
  • Style
    • sd-font-italic
    • sd-text-decoration-none
    • sd-text-lowercase
    • sd-text-uppercase
    • sd-text-capitalize
  • Wrapping
    • sd-text-wrap
    • sd-text-nowrap
    • sd-text-truncate (requires display: inline-block or display: block)
  • Color
    • sd-text-{semantic color name} (uses --sd-color-{semantic color name} CSS variable)
    • sd-bg-text-{semantic color name} (uses --sd-color-{semantic color name}-text CSS variable)

Display

Define the layout of an element and its children (see display):

  • sd-d-none
  • sd-d-inline
  • sd-d-inline-block
  • sd-d-block
  • sd-d-grid
  • sd-d-flex-row (align items horizontally)
  • sd-d-flex-column (align items vertically)
  • sd-d-inline-flex

Variants are also available for screen-sizes (xs, sm, md, lg), e.g. sd-d-sm-none.

Items within a flex box can also be aligned along the major axis or minor axis, dependant on the flex-direction. For example, using sd-d-flex-column and sd-align-major-center will center the items in the vertical direction.

  • sd-align-major-start

  • sd-align-major-end

  • sd-align-major-center

  • sd-align-major-spaced (spaced to fill the full axis)

  • sd-align-major-justify (spaced to fill the full axis, with the first/last item on the edges of the axis)

  • sd-align-minor-start

  • sd-align-minor-end

  • sd-align-minor-center

For more information, see this guide to flexbox.

Sizing

Size objects width/height by percentage:

  • sd-width-25, sd-height-25
  • sd-width-50, sd-height-50
  • sd-width-75, sd-height-75
  • sd-width-100, sd-height-100
  • sd-width-auto, sd-height-auto

Spacing

Padding (p) and margins (m) can be controlled with these classes for; (t)op, (r)ight, (b)ottom, (l)eft, x (left and right), and y (top and bottom).

Spacing are defined on a scale of 0 to 5, for example sd-px-1 or sd-mt-5.

Note, for grids the special gutter classes sd-g-{screen-size}-{spacing} are used to set margins, or for only x/y; sd-gx-{screen-size}-{spacing}.

Colors

Colors can be set using CSS variable, they are defined for the semantic color names: primary, secondary, success, warning, danger, info, light, dark, and muted, and specific colors black and white.

  • sd-bg-{name}
  • sd-bg-text-{name}
  • sd-text-{name}
  • sd-outline-{name}

Additional transparent colouring:

  • sd-bg-transparent
  • sd-outline-transparent
  • sd-text-transparent

Borders

Borders can be applied to elements of thickness 0 to 5, for all are a specific side:

  • sd-border-{thickness}
  • sd-border-top-{thickness}
  • sd-border-bottom-{thickness}
  • sd-border-right-{thickness}
  • sd-border-left-{thickness}
:gutter: 1

```{grid-item-card}
:shadow: none
:class-card: sd-border-0

`sd-border-0`
```
```{grid-item-card}
:shadow: none
:class-card: sd-border-1

`sd-border-1`
```
```{grid-item-card}
:shadow: none
:class-card: sd-border-2

`sd-border-2`
```
```{grid-item-card}
:shadow: none
:class-card: sd-border-3

`sd-border-3`
```
```{grid-item-card}
:shadow: none
:class-card: sd-border-4

`sd-border-4`
```
```{grid-item-card}
:shadow: none
:class-card: sd-border-5

`sd-border-5`
```

Border can be rounded by different amounts using:

  • sd-rounded-0
  • sd-rounded-1
  • sd-rounded-2
  • sd-rounded-3
  • sd-rounded-pill
  • sd-rounded-circle
:gutter: 1

```{grid-item-card}
:shadow: none
:class-card: sd-rounded-0

`sd-rounded-0`
```
```{grid-item-card}
:shadow: none
:class-card: sd-rounded-1

`sd-rounded-1`
```
```{grid-item-card}
:shadow: none
:class-card: sd-rounded-2

`sd-rounded-2`
```
```{grid-item-card}
:shadow: none
:class-card: sd-rounded-3

`sd-rounded-3`
```
```{grid-item-card}
:shadow: none
:class-card: sd-rounded-pill

`sd-rounded-pill`
```
```{grid-item-card}
:shadow: none
:class-card: sd-rounded-circle

`sd-rounded-circle`
```

Shadows

Shadows can be applied to box elements (the color of the shadow is defined using --sd-color-shadow CSS variable):

  • sd-shadow-none
  • sd-shadow-sm
  • sd-shadow-md
  • sd-shadow-lg
:gutter: 3

```{grid-item-card}
:shadow: none

`sd-shadow-none`
```
```{grid-item-card}
:shadow: sm

`sd-shadow-sm`
```
```{grid-item-card}
:shadow: md

`sd-shadow-md`
```
```{grid-item-card}
:shadow: lg

`sd-shadow-lg`
```

Avatars

Avatars can represent a user or a brand,with a logo or branded graphic (see Material Design imagery).

These classes center an image, set their size and add a circular crop:

  • sd-avatar-xs
  • sd-avatar-sm
  • sd-avatar-md
  • sd-avatar-lg
  • sd-avatar-xl
  • sd-avatar-inherit
  • sd-avatar-initial
:gutter: 1

```{grid-item-card} sd-avatar-xs
<img src="images/ebp-logo.png" class="sd-avatar-xs sd-border-1">
```
```{grid-item-card} sd-avatar-sm
<img src="images/ebp-logo.png" class="sd-avatar-sm sd-border-1">
```
```{grid-item-card} sd-avatar-md
<img src="images/ebp-logo.png" class="sd-avatar-md sd-border-1">
```
```{grid-item-card} sd-avatar-lg
<img src="images/ebp-logo.png" class="sd-avatar-lg sd-border-1">
```
```{grid-item-card} sd-avatar-xl
<img src="images/ebp-logo.png" class="sd-avatar-xl sd-border-1">
```

Load Animations

Add CSS animations when loading elements using the sd-animate-{name} classes:

  • sd-animate-slide-from-left
  • sd-animate-slide-from-right
  • sd-animate-grow100
  • sd-animate-grow50
  • sd-animate-grow50-rot20

See uxdesign.cc and material.io for good guides to animation.