## Card

[card](https://material.google.com/components/cards.html) component is like a paper where contains a group of data which can be all kinds of related information, for example, some pictures, text, or link which are the same theme. Card is always the entrance of complex information. Card component has fix width and variable height. The maximum height is limited by the content of view, but if you need, maybe you can extend it temporary(e.g display the comments). Card component can not overturn.

### Examples