Tutorial by Topics: grid

Grid layout is a new and powerful CSS layout system that allows to divide a web page content into rows and columns in an easy way.

Selenium Grid is a framework to run test distributed over a range of test devices. It's used for testing web applications. Its possible to write tests in different popular programming languages, including C#, Groovy, Java, Perl, PHP, Python and Ruby. The tests can be run against a range of webbrowsers on platforms like Windows, Linux, and OS X.

It is open-source software, released under the Apache 2.0 license: web developers can download and use it without charge.

Bootstrap's grid system consists of 12 units known as Columns (.col-*-* CSS classes) that are used to layout content left-to-right across the viewport. Columns are contained within Rows (.row CSS class) to create horizontal groups of columns. Rows are placed within a fixed or full-width Container (.container or .container-fluid, respectively) for proper alignment. Columns have padding that creates spacing (known as a "gutter") between the content in the columns.

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