element selector ANS: matches elements with the specified element names.Ex: p { color: blue; } selects
all p elements.
class selector ANS: specified with a period character followed by the class name, matches elements that
have the specified class name.
ID selector ANS: specified with a hash character followed by the ID name, matches the element that has
the specified ID.Ex: #byLine { color: blue; } selects the element with the id="byLine" attribute
descendant selector ANS: specified with a selector followed by a space and another selector, matches
elements that are contained in other elements. Ex: h2 em { color: blue; } selects em elements contained
in h2 elements
pseudo-class selector ANS: specified with a colon character followed by a pseudo-class name, matches
elements based on user behavior or element metainformation -- Ex: :hover { color: blue; } selects
elements under the mouse cursor
class attribute ANS: specifies the classes to which the tag belongs, with each class name separated by a
space. Ex: <span class="highlight first"> has two classes, highlight and first
universal selector ANS: specified using an asterisk character (*), matches all elements in the web page
multiple selector ANS: specified using a comma (,) to separate selectors, matches all listed elements to
apply a style rule.
whitespace character ANS: unprinted character such as the spaces between words and lines of text.
Browsers treat all sequences of whitespace as a single space between non-whitespace characters.
, <br> ANS: break tag
<em> tag ANS: indicates emphasized text, such as text having an emphasized pronunciation when
spoken, and is italicized by default.
<strong> tag ANS: indicates text that has strong importance, and is bolded by default
<cite> tag ANS: denotes a title, such as a book or song title, and is italicized by default.
<mark> tag ANS: denotes important content that should be semantically highlighted and is rendered
with a yellow background by default.
<b> tag ANS: indicates text that needs attention, like key words in a document abstract or product
names in a review, and renders the text in bold.
<i> tag ANS: indicates text in an alternative voice, such as a word or phrase in a foreign language, and is
rendered using italics. Ex: Dashi is a stock used in Japanese cooking.
<u> tag ANS: denotes text that should appear differently from normal text, such as misspelled words,
and is underlined by default. Ex: Misspelled is often misspelled as mispelled.
<var> tag ANS: Definition of a variable in a computer program
nested list ANS: is a list within a list item of another list. Nested lists are indented inside the outer list. A
nested unordered list uses a different bullet style, and a nested ordered list restarts at 1.
table ANS: is an HTML structure surrounded by the <table> opening and closing tags that allows data to
be organized in rows and columns. A cell is a location in the table at a specific row and column.