Questions and Answers
What does the class .active do?
Which of the following are contextual classes available for alerts? (Select all that apply)
What does the class .bg-danger signify?
It sets the background of an element to a dangerous color.
What is the purpose of the .bg-faded class?
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What class is used to create a block of buttons aligned vertically?
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What is the default background color of the .btn-danger class?
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What does the .btn-link class do?
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The .breadcrumb class indicates the current page's location within a navigational hierarchy.
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What is the purpose of the .card class?
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The class .btn-success defaults to a ______ background button.
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Study Notes
Bootstrap CSS Classes Overview
- .active: Contextual class used to change the background color of table rows.
Alerts
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.alert: Designed for alerts with eight contextual classes:
- .alert-success
- .alert-danger
- .alert-dismissible
- .alert-heading
- .alert-info
- .alert-link
- .alert-warning
Background Color Classes
- .bg-danger: Changes the background color to the danger context, with a hover effect for link components.
- .bg-faded: Applies a light gray background, commonly seen on navigation bars.
- .bg-info: Similar to .bg-danger, this class sets the background color for info context items with hover effects.
- .bg-inverse: Used with .navbar-dark for dark backgrounds and light text.
- .bg-primary: Sets the background to primary context, also features hover effects.
- .bg-success: Changes background to success context, maintaining hover effects.
- .bg-warning: Similar to other background classes but for warning context.
Blockquote Classes
- .blockquote: Adds proper spacing and a left gray border to block quotes.
- .blockquote-footer: A wrapping class for citation text under a blockquote, lightening the text color.
- .blockquote-reverse: Aligns blockquote text to the right.
Breadcrumbs and Buttons
- .breadcrumb: Indicates the current page's position within a navigational hierarchy.
- .btn: Sets spacing and size for buttons.
- .btn-block: Makes buttons span the full width of their parent container.
Button Variants
- .btn-danger: Creates a button with a default red background.
- .btn-group: Groups multiple buttons together in a pill shape, separated by vertical lines.
- .btn-group-lg: Enlarges the default button group size.
- .btn-group-sm: Reduces the default button group size.
- .btn-group-vertical: Stacks buttons vertically instead of horizontally.
- .btn-info: Light blue information button.
- .btn-lg: Specifies larger button sizes.
- .btn-link: Button that removes the outer border but keeps spacing.
- .btn-outline-*: Transparent background with colored text and border for various contexts.
- .btn-primary: Used for the primary action within a set of buttons.
- .btn-sm: For smaller button sizes.
- .btn-success: Green background button with a dark border.
- .btn-toolbar: Creates a row of buttons for pagination-like display.
Card Components
- .card: Class introduced to wrap individual card elements.
- .card-*:: Prefix for contextual background colors in cards (e.g., .card-danger).
- .card-block: Applied to the first child within a .card for consistent styling.
- .card-blockquote: Removes margin from blockquote within a card for consistent spacing.
- .card-columns: Applied to create a responsive grid-like layout for cards, maintaining equal height.
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Description
Test your knowledge of Bootstrap CSS classes with these flashcards. Each card provides a specific class and its definition, helping you understand how to effectively style your web elements. Perfect for beginners and web developers alike!
