What does the line-height property control in CSS?

• It sets the height of a line box.

How do you add a border to an element in CSS?

• Using the border property.

Explain the difference between padding and margin.

• Padding is the space inside an element, while margin is the space outside the element.

What is the purpose of the opacity property in CSS?

• It specifies the transparency level of an element.

How do you style links that have been visited in CSS?

• Using the :visited pseudo-class.

What is the purpose of the transition property in CSS?

• It adds smooth transitions between property changes.

How do you align text to the center in CSS?

• Using text-align: center;.

What is the purpose of the flexbox layout in CSS?

• It provides an efficient way to lay out, align, and distribute space among items in a container.

How do you change the font size in CSS?

• Using the font-size property.

What does the display: none; property do in CSS?

• It hides the element completely from the layout.

How do you apply a background image to an element in CSS?

• Using the background-image property.

What is the purpose of the cursor property in CSS?

• It specifies the type of cursor to be displayed when hovering over an element.

Explain the use of :hover in CSS.

• It applies styles to an element when the user hovers over it.

What is the purpose of @import in CSS?

• It is used to import external style sheets into another style sheet.

How do you add a shadow to an element in CSS?

• Using the box-shadow property.

What does the flex-direction property control in CSS Flexbox?

• It determines the direction of the flex items within the flex container.

How do you set the height and width of an element in CSS?

• Using the height and width properties.

What is the purpose of the word-wrap property in CSS?

• It allows long words to be able to be broken and wrap onto the next line.

How do you select all elements with a specific class in CSS?

• Using .className { ... }.

What is the purpose of the text-transform property in CSS?

• It controls the capitalization of text.

How do you make text bold in CSS?

• Using the font-weight: bold; property.

Explain the use of the background-size property in CSS.

• It sets the size of the background image.

What is the purpose of the flex-grow property in CSS Flexbox?

• It specifies how much an item should grow relative to the rest of the flexible items inside the same container.

How do you align items vertically in CSS Flexbox?

• Using align-items property set to center, flex-start, or flex-end.

What is the purpose of the outline property in CSS?

• It adds a line around an element's border, outside the border edge.