Angular 中选择包含组件的元素的伪选择器或选择器

The correct pseudo-selector to apply a style to the element that contains the component in Angular is :host. \n\nExplanation: \n- The :host pseudo-selector is used to select the host element of a component in Angular. The host element is the element that represents the component in the DOM. \n- By using the :host selector, you can apply styles directly to the host element or any of its child elements. \n\nThe other options mentioned are not valid in the context of Angular styling: \n- :container: This is not a valid pseudo-selector in CSS or Angular. \n- /deep/: This is a deprecated method of styling in Angular. It was used to apply styles to the child components but is no longer recommended. \n- :begin: This is not a valid pseudo-selector in CSS or Angular. \n- :contains: This pseudo-selector is used in jQuery to select elements that contain a specific text. However, it is not applicable in the context of Angular styling.