How do I eliminate the blue border around linked images?


in your CSS, you can specify the border property for linked images:

a img { border: none ; }
However, note that removing the border that indicates an image is a link makes it harder for users to distinguish quickly and easily which images on a web page are clickable.

What are pseudo-classes?

Pseudo-classes are fictional element types that do not exist in HTML. In CSS1 there is only one element type which can be classed this way, namely the A element (anchor). By creating three fictional types of the A element individual style can be attached to each class. These three fictional element types are: A as unvisited link, A as active link and A as visited link. Pseudo-classes are created by a colon followed by pseudo-class’s name. They can also be combined with normal classes, e.g.:

A:link {background: black; color: white}
A:active {background: black; color: red}
A:visited {background: transparent; color: black}

<A HREF….>This anchor (or rather these anchors) will be displayed as declared above</A>

A.foot:link {background: black; color: white}
A.foft:active {background; black: color: red}
A.foot:visited {background: transparent; color: black}

<A HREF….>This anchor and all other anchors with CLASS foot will be displayed as declared above</A>

What is ‘important’ declaration?


Important declaration is a declaration with increased weight. Declaration with increased weight will override declarations with normal weight.If both reader’s and author’s style sheet contain statements with important declarations the author’s declaration will override the reader’s.

BODY {background: white ! important; color: black}

In the example above the background property has increased weight while the color property has normal.

What is value?


Value is a ‘physical’ characteristic of the property. Property declares what should be formatted, e.g. FONT while value suggests how the property should be formatted, e.g. 12pt. By setting the value 12pt to the property FONT it is suggested that the formatted text be displayed in a 12 point font. There must always be a corresponding property to each value or set of values.

H1 {font: bold 180%}
In the example above the H1 selector is declared the FONT property which in its turn is declared the values BOLD and 180%.
The values suggesting alternatives are specified in a comma separated list, e.g.
H1 {font-family: font1, font2}

How do I have links of different colors on the same page?


Recommending people to use classes in their ‘a’ tags like this :

CSS
a.red {
color:red;
}
a.blue {
color:blue;
}

HTML
<a href=”#”>A red link</a>
<a href=”#”>A blue link</a>

This is a valid way to do it, but usually, this isn’t what a page looks like – two links next to each other with different colours – it’s usually something like a menu with one kind of link and main body text or another menu with different links. In this (normal) situation, To go higher up the cascade to style the links. Something like this :

CSS
a {
color:red;
}
#menu a {
color:blue;
}

HTML
<ul id=”menu”>
<li><a href=”#”>A red link</a></li>
<li><a href=”#”>A red link</a></li>
</ul>
<div id=”content”>
<p>There’s <a href=”#”>a blue link</a> here.</p>
</div>

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