Cascading Style Sheet(CSS) Assignment Help

Basics of CSS

Css stands for cascading style sheets which is used to describe the presentation document written in languages like html and xml and so on which are markup languages mostly it is used to visual representation of the web pages with the interface written in language like HTML and XHTML. It is a cornerstone technology which is used by many websites to create visually engaging sites. CSS designed separates the document content to its presentation including the aspects such as layout and colors, separation of the page improves its accessibility provide more flexibility.

Benefits of CSS

First and most important benefit is it is easy to learn and produce better code accessibility and clean also so that you can easily apply those style sheet in your HTML file. By using its modularizes your website is better than the way the programmer doing it so by using code. CSS is the new standard and in trend from the several years. It is totally different from HTML structure and provide easier way to maintain and update the file. It would also provide greater consistency in designing any style sheet and support more information options with the lightweight code. CSS file type is faster to download as compared to others. By using these kind of files you can also get search engine optimization benefits and provide greater accessibility.

CSS Architecture

Basic CSS syntax

CSS syntax

Inline style sheet

Inline style sheet use html “style” attribute which allow css as per tag basis

	  <body style="background-color: #FF0000;">
		<This is a red page>
	  </body>
	
        

Internal style sheet

Internal(the tag style)

If one single page have a unique style internal style sheet can be use it is defined in the <style>element under the <head>tag

    <style type="text/css">
		  body {background-color: #FF0000;}
		</style>

Classes and IDs in CSS

Basically CSS selectors are used to find HTML elements and that element should be based on element name, id, class and so on.

Id selector: It uses the Id attribute of an HTML element for which specific element we are selected. If you want to use a single or unique element id selector is used with the hash(#) character followed by the id. Id cannot be start with a number.Example show the HTML element with id para.
#para{
 text-align: left;
color: blue;
}
Class selector: It selects the element specifies with the class attribute. To select an element of any class it followed by the period(.) attribute with the name of the class. Example: All HTML element with class “magicebox” will be center aligned and color red.
.magicbox{
text-align: center;
color: red;
}

Css float Property

This property is used to wrap text around image or vice-versa it also specifies whether or not an element should float in other words we can say to taken element from the normal flow and placed into the container. We can also use overflow and auto property of float when an element is taller than containing one. Example show the float of an image

image{
float: right;
margin: 0 0 10px 10px;
}

Positioning in CSS

It defines the type of positioning methods that we can use for an element. They are of four types:

  • static This property tells that it will not positioned in any special way, it should always be according to normal page. Eg: div is static
  • div.static {
        position: static;
        border: 3px solid #73AD21;
    }
  • relative An element with the position relative can be change the setting to top, bottom, right and left properties to its normal position . Eg: div has position relative
  • div.relative {
        position: relative;
        left: 30px;
        border: 3px solid #73AD21;
    }
  • fixed Here the position fixed means that it always stay in the same place if the page is scrolled so this position is according to the viewport. the setting to top, bottom, right and left can be used and it does not show gap in the page wherever it would located. Eg: Div has fixed positioning
  • div.fixed {
        position: fixed;
        bottom: 0;
        right: 0;
        width: 300px;
        border: 3px solid #73AD21;
    }
  • absolute Absolute is somehow same as relative with the absolute ancestor ,it uses the document body and move along with the page
CSS BoxModel

CSS Margins

There are 4 properties for specifying the margin of any element.

  • margin-top
  • margin-right
  • margin-bottom
  • margin-left
  • In the same manner like top, right, bottom and left any element margin has to be specify. Each property can have the following values:

  • auto:
  • in this value browser of the web page calculates the margin.
  • length:
  • specify in px, pt, cm and generally in px only.
  • Inherit:
  • inherit from the parent margin.

CSS links

It can be of different way to the different element. Css linked styled with any of the css property like color, font-family, background, etc. It can se styled according to what state they are in, css links categorize in 4 states

  • link a state with only “link” is the link which is normal and unvisited.
  • visited visited link is the link that user has visited.
  • hover a link with the user mouse over and on it. Called as hover link
  • active a link that moment is clicked is called active link
Here "a" specify link name
/* unvisited link */
a:link {
    color: red;
}

/* visited link */
a:visited {
    color: green;
}

/* mouse over link */
a:hover {
    color: hotpink;
}

/* selected link */
a:active {
    color: blue;
}

External(Link to a style sheet)

In this style sheet an external file with the .css extension are added to the web server or hard disk. The link is create from html document with the extension .htm to the style sheet with the .css extension. The path to our style sheet is indicated by using href tag and all the line of code must be inserted into the head section of the html page.See the example for the same.

    <link rel="stylesheet" type="text/css" href="style/style.css" />
	
	<html>
	  <head>
    		<title>My document</title>
		<link rel="stylesheet" type="text/css" href="style/style.css" />
	  </head>
        <body>

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CSS Basics
  • Margins
  • Borders
  • Comments
  • Padding
  • Fonts
  • lists
  • Tables
  • BoxModels
CSS Responsive
  • Framework
  • Videos
  • images
  • Gridview
  • Media Queries
  • Viewport
Advanced CSS3
  • Gradients
  • Shadows
  • 2D Transform
  • 3D Transform
  • Filters
  • Rounded Corners