Alert Banners
Use a notification banner to tell users about an important piece of information for a short period of time.
Don’t use a notification banner for a notice on a single page, use a panel instead.
Alert levels
You can choose from 4 banner colours, based on the importance of the information. You can also can change the icon based on the information you’re providing.
High level
Use only in the most serious, unplanned situations, for new and critical information. For example, when the main service you provide is unavailable.
Medium level
Use when a part of your service is not available, unexpectedly or for ongoing critical incidents.
Low level
Use to tell users about planned, temporary changes to the service you provide
For information
Use to highlight important information that will affect a wide range of people or services.