1 CS428 Web Engineering Lecture 08 Border, Margin, Padding … (CSS - III)

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CS428 Web EngineeringLecture 08

Border, Margin, Padding …(CSS - III)

CSS Borders• You can set following border properties of

an element:

The border-color property is used to set the color of the border.

The border-style property is used to set the style of border.

The border-width property is used to set . The border property is used to set the width,

style and color of the border in one declaration.

border-style• <p style=“border-style: none”>

This is a border with none width.</p>

<p style=“border-style: solid”>

This is a solid border.</p>

<p style=“border-style: dashed”>

This is a dashed border.</p>

• Output:

• Possible values:none, solid, dashed, double, groove, ridge, inset, outset

border-color• <style>

p.example1 {

border-style: solid;

border-bottom-color: #009900;

border-top-color: #FF0000;

border-left-color: #330000;

border-right-color: #0000CC;

}

</style>

<p class=“example1”>

This example is showing all borders in different colors.

</p>

• Output:

• Possible values:any color with valid format

border-color• <style>

p.example1 {


border-color: #FF0000;

}

</style>


This example is showing all borders in same color.

</p>

• Output:


border-width• <p style=“border-width: 4px; border-style:

solid;”>

This is a solid border whose width is 4px.</p>

• Output:

• Possible values:length in px, pt or cm or it should be thin, medium or thick.

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• You can individually change the width of the bottom, top, left and right borders of an element. Using the following properties:

border-bottom-width changes the width of bottom border.

border-top-width changes the width of top border.

border-left-width changes the width of left border.

border-right-width changes the width of right border.

border-width• <style>

p.example1 {


border-bottom-width: 6pt;

border-top-width: 6pt;

border-left-width: 4pt;

border-right-width: 4pt;

}

</style>


This example is showing all borders in different widths.

</p>

• Output:


This example is showing all borders in different widths.

border• <p style=“border: 4px solid red;”>

This example is showing shorthand property for border.</p>

• Output:

CSS Margins• You can set following margin properties of

an element: The margin-bottom property specify the

bottom margin of an element. The margin-top property specify the top

margin of an element. The margin-left property specify the left margin

of an element. The margin-right property specify the right

margin of an element. The margin shorthand property for setting

margin properties in one declaration.

margin• <div style=“margin: 20px;”>

This is a paragraph with a specified margin from all sides.</div>

• Output:

• Possible values:auto, length in px, %.

margin-top• <div style=“margin-top: 10px;”>

This is a paragraph with a specified top margin.</div>

• Output:


margin-bottom• <div style=“margin-bottom: 10px;”>

This is a paragraph with a specified bottom margin.</div>

• Output:


margin-left• <div style=“margin-left: 10%;”>

This is a paragraph with a specified left margin.</div>

• Output:


margin-right• <div style=“margin-left: 10%;”>

This is a paragraph with a specified right margin.</div>

• Output:


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Margin property• <style>

p {margin: 15px; }

all four margins will be 15px

p {margin: 10px 2%; }

top and bottom margin will be 10px, left and right

will be 2% of the total width of doc.

p {margin: 10px 2% -10px; }

top margin will be 10px, left and right margin will be

2%, bottom margin will be -10px

p {margin: 10px 2% -10px auto; }

top margin will be 10px, right margin will be 2%, bottom

margin will be -10px, left margin will be set by the browser

</style>

CSS Padding• Padding property allows you to specify how

much space should appear between the content of an element and its border : The padding-bottom property specify the bottom

padding of an element. The padding-top property specify the top padding

of an element. The padding-left property specify the left padding

of an element. The padding-right property specify the right

padding of an element. The padding shorthand property serves as the

preceding properties.

padding-bottom• <p style=“padding-bottom: 15px; border-

width: 1px solid black;”>

This is a paragraph with a specified bottom padding.</p>

• Output:

This is a paragraph with a specified bottom padding.

• Possible values:length in px, %.

padding-top• <p style=“padding-top: 15px; border-width:

1px solid black;”>

This is a paragraph with a specified top padding.</p>

• Output:

This is a paragraph with a specified top padding.


padding-left• <p style=“padding-left: 15px; border-width: 1px

solid black;”>

This is a paragraph with a specified left padding.</p>

• Output:



padding-right• <p style=“padding-right: 15px; border-width:

1px solid black;”>

This is a paragraph with a specified right padding.</p>

• Output:



padding• <p style=“padding: 15px; border-width: 1px

solid black;”>

This is a paragraph with a specified right padding.</p>

• Output:



Padding and Margin Properties

• Values for both the padding and the margin properties can be expressed using:

• em (em values)• px (pixels)• mm (millimeters)• cm (centimeters)• in (inches)• % (percentage of the container element)

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CSS display property• You can control how an element is displayed

with the display property.

• Example:

img {

display: block;

}

• Possible values:

block, inline, list-item, none

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CSS float property• The float property changes how text and or images

within an element are displayed.

• Example:

img {

float: left;

margin-right: 10px;

}


left, right, none

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<div id=“box”>Here is some text which wraps around the box floated to the left.

Here is some text which wraps around the image floated to the left.

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CSS clear property• The clear property is used to force an element that is

adjacent to a float element to start on the next line below the floated element.

• Example:

#box3 {

clear: both;

background-color: white;

border: 1px solid #000;

}


left, right, both, none

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div id=“box1” div id=“box2”

div id=“box3”

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CSS overflow property• You can control what an elements contents will do

if it overflows it boundaries with the overflow property.

• Example:

div {

overflow: auto;

}


auto, hidden, visible, scroll

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1 CS428 Web Engineering Lecture 08 Border, Margin, Padding … (CSS - III)