Using the margin Property for Center Aligning

#example-center 
{
 margin-left: auto;
 margin-right: auto;
 width: 50%;
 background-color: #336699;
}

Using the position Property to Align Left and Right

#example-right
{
    position: absolute;
    right: 0px;
    width: 150px;
    background-color: #336699;
}

Using the float Property to Align Left and Right

#example-right
{
 float: right;
 width: 150px;
 background-color: #336699;
}

The position:static property

#example-static
{
 position: static;
 border: 1px solid black;
}

The position:relative property

#example-relative
{
 position: relative;
 left: 25px;
 border: 1px solid black;
}

The position:fixed property

#example-fixed
{
 position: fixed;
 bottom: 0;
 right: 0;
 width: 250px;
 border: 1px solid black;
}

The position:absolute property

#example-absolute 
{
 position: absolute;
 left: 250px;
 top: 250px;
 border: 1px solid black;
}

CSS Display Property

h1 
{
 display: inline;
}
a 
{
    display: block;
}

Hiding any Element - using display:none or visibility:hidden

 h1
 {
  display: none;
 }

 h1 
 {
  visibility: hidden;
 }

Font Family

p 
{
 font-family: Times, serif;
}

Font Style

• normal - Specify a normal text
• italic - Specify a text in italics
• oblique - Specify a text "leaning" (very similar to italic, but less supported)

h1
{
 font-style: normal;
}
h2
{
 font-style: italic;
}
p
{
 font-style: oblique;
}

Font Size

h1 
{
    font-size: 16px;
}

h2 
{
    font-size: 2em;
}

Font Weight

h2 
{
    font-size: 2em;
 font-weight:bold;
}

All CSS Font Properties

In CSS it is possible to manipulate the text used in the webpage with the help of text properties. 

Text Color

h1 
{
	color: #336699;
}

body 
{
	color: blue;
}

Text Alignment

h1 
{
	text-align: left;
}

Text Decoration

a 
{
    text-decoration: none;
}

Text Transformation

h1
{
	text-transform: uppercase;
}
h3
{
	text-transform: lowercase;
}
h3
{
	text-transform: capitalize;
}

Text Indentation

p 
{
	text-indent: 25px;
}

All Text Properties

Background Color

h1
{
 background-color: #336699;
}

• By HEX value - like "#336699"
• By RGB value - like "rgb( 255, 0, 0 )"
• By color name - like "blue"

Background Image

body 
{
 background-image: url( "example.jpg" );
}

Background Repeat

body 
{
 background-image: url( "example.jpg" );
 background-repeat: repeat-x;
}

Background Attachment

body 
{
 background: url( "example.jpg" );  
 background-repeat: no-repeat;  
 background-attachment: fixed;
}

Background Position

body 
{
 background-image: url( "example.jpg" );
 background-repeat: no-repeat;
 background-position: right top;
}

Background - Shorthand property

body 
{
 background: #336699 url( "example.jpg" ) no-repeat right top;
}

CSS supports different measurement units such as absolute units ( like inches, points, pixels etc) and relative units (like percentages, em etc.). These values will required when a designer need to specify the measurements in the CSS document like " font-size:15px " etc

Below is the list of different measurement units used in CSS -

External Style Sheet

< head >
< link rel=" stylesheet " type = "text/css" href = "example.css" >
< /head >

Inline style

Internal style sheet

< head >
< style >
h1 
{
 color: blue;
 text-align: left;
} 
< /style >
< /head >

Multiple Style Sheets

• Browser default (Lowest Priority)
• External style sheet
• Internal style sheet (in the head section)
• Inline style (Highest Prioprity)

Selector Types

• Element Selectors - are global in nature. They affect each and every element of that type.
• Class Selector - working with HTML class attributes. A class attribute name can be anything can be used as many elements as possible.
• Descendent Selectors - allows target an element based on where it's found. To do so, simply string the selectors together, separating them with whitespace. The parent selectors are added first, followed by each successive nested selector.

Element Selector

id Selector

#content-wrap 
{
 text-align: left;
 color: #333333;
}

The class Selector

.left 
{
 text-align: left;
 color: #333333;
}

h1.left 
{
 text-align: left;
 color: blue;
}

Grouping Selectors

h1 
{
 text-align: left;
 color: blue;
}

h2 
{
 text-align: left;
 color: blue;
}

h3 
{
 text-align: left;
 color: blue;
}

h1, h2, h3 
{
 text-align: left;
 color: blue;
}