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WorksheetsHTML & CSS Debugging Practice #1
Total questions: 20
Worksheet time: 10mins
Why is this image not displaying?
Missing alt attribute
Incorrect file extension
Missing closing tag
Wrong image format
Why does this link not work?
Missing closing tag
Wrong attribute name
Invalid file path
HTML is case-sensitive
Why does this input not submit data?
Missing name attribute
Missing action attribute
Missing method
Button must be type="submit"
Why does this page show broken layout?
Missing doctype
Missing closing </p>
Invalid nesting
Extra whitespace
Why is this script not running?
Wrong script placement
Invalid file name
Wrong attribute name
Script must be inside <head>
Why does this table display incorrectly?
Missing closing </td>
Table needs <thead>
tr is misplaced
td must have a class
Why does this label not focus the input?
Missing placeholder
ID mismatch
Input type wrong
Label must wrap input
Why does this audio not play?
Missing autoplay
Missing type attribute
Browser doesn’t support audio
<source> must be inside <body>
Why doesn’t this title appear?
Must be inside <body>
Must be inside <head>
Must be inside <html> only
Needs a class
Why is this button unclickable?
Button needs type
Button always disabled
Disabled attribute ignores value
CSS issue
Why is this text not changing color?
Missing semicolon
Missing colon
Invalid selector
CSS file not linked
Why is this div not centered?
Missing width
Missing display
Margin auto is invalid
Needs position
Why is this font not applied?
Missing quotes
Invalid font name
Font not imported
CSS syntax error
Why does this background not appear?
Missing semicolon
Wrong file path
Needs quotes
All of the above
Why is this animation not working?
Missing position
Animation name mismatch
Missing duration
Invalid property
Why is z-index not working?
Missing position property
z-index only works on body
Value too high
Needs display block
Why is this hover effect not working?
Extra space before :hover
Invalid property
Needs JavaScript
button must have class
Why is this page not mobile-friendly?
Missing charset
Typo in width property
Meta tags must go in the body
The scale must be 2.0
Why is the image not resizing properly?
px should not be used
Width must be in CSS
The width attribute should be a number only
The image format is invalid
Why does this link open a blank page?
Missing closing tag
Missing https://
The filename is incorrect
Links only work with buttons
