CSE 3901: Midterm 2 exam NEWEST 2025
COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||BRAND NEW VERSION!!
1. What are the three main types of layout elements in HTML?
Answer: Blocks, Inline, and Flow.
Rationale:
HTML layout is organized by how elements behave in the document flow.
Block elements (e.g., <div>, <p>) start on a new line.
Inline elements (e.g., <span>, <a>) flow within text lines.
Flow is the normal document layout before applying positioning or floats.
2. What happens when you float an element in CSS?
Answer: It is removed from the normal document flow.
Rationale:
Floating an element positions it to the left or right, causing following content to wrap around it.
This can affect how blocks and text align relative to the float.
,3. What is the effect of applying float: left; to an element?
Answer: The floated element is removed from flow and can overlay block elements.
Rationale:
A left float moves the element to the left edge of its container, allowing other inline content to
flow around it, but it no longer affects the positioning of block-level elements below it.
4. What layout problem can arise from floating elements?
Answer: Blocks below may be misplaced if the floated element is taller than its container.
Rationale:
Floats can cause ―collapsed‖ container heights if the container doesn’t automatically expand to
include floated children.
5. How can you fix layout issues caused by floating elements?
Answer: Use clear: left; (or clear: both;) on a block element after the float.
Rationale:
Clearing ensures that the next element starts below any floated elements, restoring the normal
flow.
, 6. What is the display property used for creating a 2D layout in CSS?
Answer: display: grid;
Rationale:
The CSS Grid system allows two-dimensional control (rows and columns) over layout
placement, unlike flexbox (one-dimensional).
7. In a grid layout, what are grid items and the grid container?
Answer:
Grid container: The parent element with display: grid;.
Grid items: The direct child elements inside the container.
Rationale:
Grid layouts are hierarchical — only direct children participate as items.
COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||BRAND NEW VERSION!!
1. What are the three main types of layout elements in HTML?
Answer: Blocks, Inline, and Flow.
Rationale:
HTML layout is organized by how elements behave in the document flow.
Block elements (e.g., <div>, <p>) start on a new line.
Inline elements (e.g., <span>, <a>) flow within text lines.
Flow is the normal document layout before applying positioning or floats.
2. What happens when you float an element in CSS?
Answer: It is removed from the normal document flow.
Rationale:
Floating an element positions it to the left or right, causing following content to wrap around it.
This can affect how blocks and text align relative to the float.
,3. What is the effect of applying float: left; to an element?
Answer: The floated element is removed from flow and can overlay block elements.
Rationale:
A left float moves the element to the left edge of its container, allowing other inline content to
flow around it, but it no longer affects the positioning of block-level elements below it.
4. What layout problem can arise from floating elements?
Answer: Blocks below may be misplaced if the floated element is taller than its container.
Rationale:
Floats can cause ―collapsed‖ container heights if the container doesn’t automatically expand to
include floated children.
5. How can you fix layout issues caused by floating elements?
Answer: Use clear: left; (or clear: both;) on a block element after the float.
Rationale:
Clearing ensures that the next element starts below any floated elements, restoring the normal
flow.
, 6. What is the display property used for creating a 2D layout in CSS?
Answer: display: grid;
Rationale:
The CSS Grid system allows two-dimensional control (rows and columns) over layout
placement, unlike flexbox (one-dimensional).
7. In a grid layout, what are grid items and the grid container?
Answer:
Grid container: The parent element with display: grid;.
Grid items: The direct child elements inside the container.
Rationale:
Grid layouts are hierarchical — only direct children participate as items.
