| **href** | yes | _<empty>_ | The destination URL for the button. If this parameter is not set, the button will do nothing but is still displayed as clickable. |
| **style** | yes | `transparent` | The color scheme used to paint the button.<br/><br/>- by severity: `info`, `note`, `tip`, `warning`<br/>- by brand color: `primary`, `secondary`<br/>- by color: `blue`, `green`, `grey`, `orange`, `red`<br/>- by special color: `default`, `transparent` |
| **icon** | yes | see notes | [Font Awesome icon name]({{%relref "cont/icons#finding-an-icon" %}}) set to the left of the title. Depending on the **style** there may be a default icon. Any given value will overwrite the default.<br/><br/>- for severity styles: a nice matching icon for the severity<br/>- for all other colors: _<empty>_<br/><br/>If you want no icon for a severity style, you have to set this parameter to `" "` (a non empty string filled with spaces) |
| **iconposition** | yes | `left` | Places the icon to the `left` or `right` of the title. |
| _**<content>**_ | yes | see notes | Arbitray text for the button title. Depending on the **style** there may be a default title. Any given value will overwrite the default.<br/><br/>- for severity styles: the matching title for the severity<br/>- for all other colors: _<empty>_<br/><br/>If you want no title for a severity style, you have to set this parameter to `" "` (a non empty string filled with spaces) |