> For the complete documentation index, see [llms.txt](https://web-dev-guide.wishtack.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://web-dev-guide.wishtack.io/responsive-web-design/frameworks.md).

# Frameworks & Libraries

{% hint style="warning" %}
Do not waste your energy by defining custom CSS classes to handle Responsive Web Design!
{% endhint %}

Use existing frameworks like Twitter's Bootstrap:

<http://getbootstrap.com/>&#x20;

{% embed url="<http://getbootstrap.com/>" %}

... or even better, go Material!

<https://www.google.com/design/spec/material-design/introduction.html>&#x20;

{% embed url="<https://www.google.com/design/spec/material-design/introduction.html>" %}

<https://material.angular.io>

{% embed url="<https://material.angular.io>" %}

<https://github.com/angular/flex-layout>

{% embed url="<https://github.com/angular/flex-layout>" %}

<https://zingchart.github.io/zingtouch/>

{% embed url="<https://zingchart.github.io/zingtouch/>" %}