### Running Rails Application Server - Shell

Source: https://github.com/mechanicles/set_as_primary_rails_app/blob/master/README.md

This command starts the Rails development server, making the application accessible via a web browser. It typically runs on `http://localhost:3000` by default, allowing developers to interact with the application locally.

```shell
bin/rails server
```

--------------------------------

### Setting Up Rails Database - Shell

Source: https://github.com/mechanicles/set_as_primary_rails_app/blob/master/README.md

This command initializes and prepares the database for the Rails application. It creates the database if it doesn't exist, runs any pending migrations to update the schema, and then populates it with initial data defined in the `db/seeds.rb` file.

```shell
rails db:create db:migrate db:seed
```

--------------------------------

### Styling Rails Default 422 Error Page (CSS)

Source: https://github.com/mechanicles/set_as_primary_rails_app/blob/master/public/422.html

This CSS snippet defines the visual presentation of the default Rails 422 error page. It sets properties for the background, dialog container, headings, and paragraphs, ensuring a consistent look with specific colors, borders, shadows, and text alignment for error messages.

```CSS
.rails-default-error-page { background-color: #EFEFEF; color: #2E2F30; text-align: center; font-family: arial, sans-serif; margin: 0; } .rails-default-error-page div.dialog { width: 95%; max-width: 33em; margin: 4em auto 0; } .rails-default-error-page div.dialog > div { border: 1px solid #CCC; border-right-color: #999; border-left-color: #999; border-bottom-color: #BBB; border-top: #B00100 solid 4px; border-top-left-radius: 9px; border-top-right-radius: 9px; background-color: white; padding: 7px 12% 0; box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17); } .rails-default-error-page h1 { font-size: 100%; color: #730E15; line-height: 1.5em; } .rails-default-error-page div.dialog > p { margin: 0 0 1em; padding: 1em; background-color: #F7F7F7; border: 1px solid #CCC; border-right-color: #999; border-left-color: #999; border-bottom-color: #999; border-bottom-left-radius: 4px; border-bottom-right-radius: 4px; border-top-color: #DADADA; color: #666; box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17); }
```

--------------------------------

### Styling Rails Default Error Page - CSS

Source: https://github.com/mechanicles/set_as_primary_rails_app/blob/master/public/500.html

This CSS snippet defines the visual appearance of the default Rails 500 error page. It styles the background, text colors, and the dialog box containing the error message, including borders, padding, and shadows, to ensure a consistent look for application errors.

```CSS
.rails-default-error-page { background-color: #EFEFEF; color: #2E2F30; text-align: center; font-family: arial, sans-serif; margin: 0; } .rails-default-error-page div.dialog { width: 95%; max-width: 33em; margin: 4em auto 0; } .rails-default-error-page div.dialog > div { border: 1px solid #CCC; border-right-color: #999; border-left-color: #999; border-bottom-color: #BBB; border-top: #B00100 solid 4px; border-top-left-radius: 9px; border-top-right-radius: 9px; background-color: white; padding: 7px 12% 0; box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17); } .rails-default-error-page h1 { font-size: 100%; color: #730E15; line-height: 1.5em; } .rails-default-error-page div.dialog > p { margin: 0 0 1em; padding: 1em; background-color: #F7F7F7; border: 1px solid #CCC; border-right-color: #999; border-left-color: #999; border-bottom-color: #999; border-bottom-left-radius: 4px; border-bottom-right-radius: 4px; border-top-color: #DADADA; color: #666; box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17); }
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.