It is a free and open source project, hosted on GitHub , and originally created by and for Twitter. After its open source release in , Bootstrap became popular very quickly, and not without reason. Web designers and web developers like Bootstrap because it is flexible and easy to work with. Its main advantages are that it is responsive by design, it maintains wide browser compatibility, it offers consistent design by using re-usable components, and it is very easy to use and quick to learn. With Bootstrap, web developers can concentrate on the development work, without worrying about design, and get a good looking website up and running quickly. Conversely, it gives web designers a solid foundation for creating interesting Bootstrap themes.
the new code
A Simple Bootstrap Tutorial | Toptal
Designing a newsletter can be tough. It helps if you study the layouts of existing newsletters to get an understanding of how the code and layouts work. With a single column design and large typography, I love the way the SeatGeek email uses icons and simple graphics to grab your attention. The large typography also takes up a high percentage of the page making it very easy to read.
CSS Flexible Box Layout Module Level 1
W3C liability , trademark and permissive document license rules apply. The specification describes a CSS box model optimized for user interface design. Both horizontal and vertical alignment of the children can be easily manipulated. Nesting of these boxes horizontal inside vertical, or vertical inside horizontal can be used to build layouts in two dimensions. This section describes the status of this document at the time of its publication.
It is a 2-dimensional system, meaning it can handle both columns and rows, unlike flexbox which is largely a 1-dimensional system. First, we used tables, then floats, positioning and inline-block, but all of these methods were essentially hacks and left out a lot of important functionality vertical centering, for instance. There are two primary things that inspired me to create this guide.