CSS tutorials in telugu

    CSS  tutorials in telugu

    What is CSS?

    • CSS stands for Cascading Style Sheets
    • Using CSS rules we can define the presentation of the Web Page
    • With out CSS it’s hard see the web page. (Disable CSS and Try it!)
    • Styles define how to display HTML elements
    • Styles were added to HTML 4.0 to solve a problem
    • External Style Sheets can save a lot of work
    • External Style Sheets are stored in CSS files
    • if we add css with in head tag of the page is known as embeded styles
    • if we add css with in the tag is called as inline style
    • if we write css out side of the web page is known as External Style Sheet.
    • External Style Sheets are best option to reduce the loading time and Site optimization.

    Styles  Solved a Big Problem

    HTML was never intended to contain tags for formatting a document.

    HTML was intended to define the content of a document,
    like:
    <h1>This is a heading</h1>
    <p>This is a paragraph.</p>
    When tags like <font>, and color attributes were added to the HTML 3.2 specification, it started a nightmare for web developers. Development of large web sites, where fonts and color information were added to every single page, became a long and expensive process.
    To solve this problem, the World Wide Web Consortium (W3C) created CSS.
    In HTML 4.0, all formatting could be removed from the HTML document, and stored in a separate CSS file.
    All browsers support CSS today.

    CSS Saves a Lot of Work!

    CSS defines HOW HTML elements are to be displayed.
    Styles are normally saved in external .css files. External style sheets enable you to change the appearance and layout of all the pages in a Web site, just by editing one single file!

    CSS Syntax

    A CSS rule set consists of a selector and a declaration block:

    CSS Slector Defination-SEOskills

    The selector points to the HTML element you want to style.
    The declaration block contains one or more declarations separated by semicolons.
    Each declaration includes a property name and a value, separated by a colon

    A CSS declaration always ends with a semicolon, and declaration groups are surrounded by curly braces:

    p {

    color:red;text-align:center;

    }
    To make the CSS code more readable, you can put one declaration on each line,

    like this:

    Example
    p { color: red; text-align: center; }

    CSS Comments

    Comments are used to explain your code, and may help you when you edit the source code at a later date. Comments are ignored by browsers.

    A CSS comment starts with /* and ends with */. Comments can also span multiple lines:

    Example
    p { color: red; /* This is a single-line comment */ text-align: center; } /* This is a multi-line comment */

    Types of CSS Selectors

    • ID Selector (Must be Unique)
    • Type or Tag Selector (refines the the Html Element)
    • Class (Can be used multiple Elements )
    • Compound Selector (Based on Selection)

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