What is difference between and in CSS?

What is the difference between #htmlelement and .htmlelement selectors?

Id selector(“#”): The id selector selects the id attribute of an HTML element to select a specific element. An id is always unique within the page so it is chosen to select a single, unique element. … Example: In this code we will use only id selector to set style to the HTML elements.

What is Dot and hash in CSS?

The dot( . ) signifies a class name while the hash ( # ) signifies an element with a specific id attribute. The class will apply to any element decorated with that particular class, while the # style will only apply to the element with that particular id.

What is difference between class and id in CSS?

The difference between an ID and a class is that an ID is only used to identify one single element in our HTML. IDs are only used when one element on the page should have a particular style applied to it. However, a class can be used to identify more than one HTML element.

IT IS INTERESTING:  Which tag is used to add CSS effects in HTML?

What does the dot mean in CSS?

The class selector is the most useful of all CSS selectors. It’s declared with a dot preceding a string of one or more characters. Just as is the case with an ID selector, this string of characters is defined by the developer.

What selector is used for ID in CSS?

A CSS selector selects the HTML element(s) you want to style.

All CSS Simple Selectors.

Selector Example Example description
#id #firstname Selects the element with id=”firstname”

What are class selectors in CSS?

class selector selects elements with a specific class attribute. To select elements with a specific class, write a period (.) character, followed by the name of the class. You can also specify that only specific HTML elements should be affected by a class.

What is CSS rule?

A CSS rule is a grouping of one or more CSS properties which are to be applied to one or more target HTML elements. A CSS rule consists of a CSS selector and a set of CSS properties. The CSS selector determines what HTML elements to target with the CSS rule. … In the example above it is the div part of the CSS rule.

What are Cascading Style Sheets?

Cascading Style Sheets (CSS) is a simple mechanism for adding style (e.g., fonts, colors, spacing) to Web documents. These pages contain information on how to learn and use CSS and on available software. They also contain news from the CSS working group.

How do you insert a comment in a CSS file?

A CSS comment is placed inside the <style> element, and starts with /* and ends with */ :

  1. /* This is a single-line comment */ p { color: red; }
  2. p { color: red; /* Set text color to red */ }
  3. /* This is. a multi-line. comment */ p { color: red; }
IT IS INTERESTING:  What is CSS in web programming?

What are the 5 basic HTML tags?

These HTML 5 tags (elements) provide a better document structure.

List of HTML 5 Tags.

Tag Description
<footer> It defines a footer for a section.
<header> It defines a header for a section.
<main> It defines the main content of a document.
<mark> It specifies the marked or highlighted content.

What is the use of ID in CSS?

The CSS ID selector matches an element based on the value of the element’s id attribute. In order for the element to be selected, its id attribute must match exactly the value given in the selector.

Why ID is used in HTML?

The id global attribute defines an identifier (ID) which must be unique in the whole document. Its purpose is to identify the element when linking (using a fragment identifier), scripting, or styling (with CSS).

How do I identify a class in CSS?

In the CSS, a class selector is a name preceded by a full stop (“.”) and an ID selector is a name preceded by a hash character (“#”). The difference between an ID and a class is that an ID can be used to identify one element, whereas a class can be used to identify more than one.

How many CSS selectors are there?

CSS Selectors allow us to target specific HTML elements with our style sheets. While there are many different types of CSS Selectors, today’s lesson focuses on the four essential selectors; Type, ID, Class and Descendant selectors.

The four links states are:

  • a:link – a normal, unvisited link.
  • a:visited – a link the user has visited.
  • a:hover – a link when the user mouses over it.
  • a:active – a link the moment it is clicked.
IT IS INTERESTING:  How do I select a sibling in CSS?
HTML5 Robot