WGU C777 CERTIFICATION TEST 2026
COMPREHENSIVE QUESTIONS AND
SOLUTION GUIDE
◉ element[attribute*=value]
Answer: Which selector targets every instance of a specified HTML
element whose specified attribute contains the specified substring
value?
◉ element[attribute^=value]
Answer: Which selector targets every instance of a specified HTML
element whose specified attribute begins with the specified value?
◉ element:checked
Answer: Which selector targets every checked instance of a specified
HTML element?
◉ element:disabled
Answer: Which selector targets every disabled instance of a
specified HTML element?
,◉ element:enabled
Answer: Which selector targets every enabled instance of a specified
HTML element?
◉ element:first-of-type
Answer: Which selector targets every instance of a specified HTML
element that is the first of its parent?
◉ element:last-of-type
Answer: Which selector targets every instance of a specified HTML
element that is the last of its parent?
◉ element1~element2
Answer: Which selector targets every instance of element2 that is
preceded by an instance of element1?
◉ background
Properties are in this order:
background: bg-color bg-image position/bg-size bg-repeat bg-origin
bg-clip bg-attachment initial|inherit;
Answer: Which property allows you to set different background
properties in one declaration?
, ◉ background-clip
Key values for this property:
border-box - extends behind the border
padding-box - extends to the inside edge of the border
content-box - extends to the edge of the content box
Answer: Which property specifies whether the background extends
into the border or not?
◉ background-origin
Key values for this property:
padding-box - from the upper left corner of the padding edge
border-box - from the upper left corner of the border
content-box - from the upper left corner of the content
Answer: Which property positions the background-image relative to
an element's border, padding or content?
◉ background-size
Key values for this property:
COMPREHENSIVE QUESTIONS AND
SOLUTION GUIDE
◉ element[attribute*=value]
Answer: Which selector targets every instance of a specified HTML
element whose specified attribute contains the specified substring
value?
◉ element[attribute^=value]
Answer: Which selector targets every instance of a specified HTML
element whose specified attribute begins with the specified value?
◉ element:checked
Answer: Which selector targets every checked instance of a specified
HTML element?
◉ element:disabled
Answer: Which selector targets every disabled instance of a
specified HTML element?
,◉ element:enabled
Answer: Which selector targets every enabled instance of a specified
HTML element?
◉ element:first-of-type
Answer: Which selector targets every instance of a specified HTML
element that is the first of its parent?
◉ element:last-of-type
Answer: Which selector targets every instance of a specified HTML
element that is the last of its parent?
◉ element1~element2
Answer: Which selector targets every instance of element2 that is
preceded by an instance of element1?
◉ background
Properties are in this order:
background: bg-color bg-image position/bg-size bg-repeat bg-origin
bg-clip bg-attachment initial|inherit;
Answer: Which property allows you to set different background
properties in one declaration?
, ◉ background-clip
Key values for this property:
border-box - extends behind the border
padding-box - extends to the inside edge of the border
content-box - extends to the edge of the content box
Answer: Which property specifies whether the background extends
into the border or not?
◉ background-origin
Key values for this property:
padding-box - from the upper left corner of the padding edge
border-box - from the upper left corner of the border
content-box - from the upper left corner of the content
Answer: Which property positions the background-image relative to
an element's border, padding or content?
◉ background-size
Key values for this property:
