registerCssFile() public method
Registers a CSS file.
public void registerCssFile ( $url, $options = [], $key = null )$url string
The CSS file to be registered. $options array
The HTML attributes for the link tag. Please refer to yii\helpers\Html::cssFile() for the supported options. The following options are specially handled and are not treated as HTML attributes:
depends: array, specifies the names of the asset bundles that this CSS file depends on. $key string
The key that ident