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Best Practices

Panel
1.

Use classes instead of ids whenever possible:

Code Block
class="portlet-titlebar"

rather than:

Code Block
id="portletTitlebar"
2.

Separate class names by dashes:

Code Block
class="portlet-titlebar"

rather than:

Code Block
class="portlet_titlebar"
3.

Prefix classes with a namespace:

Code Block
class="portlet-titlebar"

rather than:

Code Block
class="titlebar"
4.

Class names should be semantic rather than stylistic:

Code Block
class="portlet-titlebar"

rather than:

Code Block
class="big-red-bar"
5.

Multiple classes assigned to an element should be listed in this order:

  1. FSS classes (fl-)
  2. uPortal classes (up-)
  3. Portlet classes (portlet-)
  4. Custom classes

For example:

Code Block
class="fl-container-flex, up-portlet-container portlet-titlebar my-custom-class"

CSS

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Namespaces

Panel

Fluid Skinning System

Namespace prefix: fl-

  • FSS is used for layout and helpers.
  • FSS can be used in both the portal and portlets.
  • FSS information

uPortal Portal

Namespace prefix: up-

  • Layered on top of FSS for additional helpers and styling.
  • For use in the portal theme (exclusive to uPortal), but not portlets.

uPortal Portlets

Namespace prefix: portlet-

  • Layered on top of FSS for additional helpers and styling.
  • Includes and extends the JSR-168 PLT.C CSS Style Definitions.
  • For use in portlets (only), whether exclusive to uPortal or not.