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:




:

































 

 

 

 


(),

. (. 1):

(Selector). , .

, .

(Property). .

: , , , ..

(Value). , .

(Declaration). .

(Rule). ( + ).

, , , . :

 

[, [,...]] {: ;}

 

, .

 

CSS

, HTML. :

 

1. , 30px, () Serif,

( ) 14px:

 

p {

text-align: justify;

text-indent: 30px;

font-family: Serif;

font-size: 14px;

}

 

<p>.

 

2. :

 

h1, h2, h3 {

color: blue; /* , #0000FF */

}

 

3. :

 

table, img {border: none;}

 

4. :

 

li a {text-decoration: none;}

 

5. (< div >), 10px :

 

div, th, td {

padding-left: 10px;

padding-right: 10px;

background-color: yellow;

}

6. , , ( a:hover).

 

a {color: black; font-weight: bold;}

p a, li a {font-weight: normal; text-decoration: none;}

p a:hover, li a:hover {

color: #00FF00; text-decoration: underline;

}

 

CSS . , , : ?

, , .

, :

 

p {margin-left: 0;}

p.warn {margin-left: 40px; color: #FF00;}

 

class :

 

<p class=warn> </p>

 

:

 

._ {}

 

, , .

:

:

 

.solid_blue {color: blue;}

 

:

 

<p class=solid_blue> </p>

<li class=solid_blue> </li>

 

:

 

h1.bigsans {font-family: Sans; font-size: 1.5em;}

h1.smallserif {font-family: Serif; font-size:.84em;}

 

:

 

<h1 class=bigsans>, </h1>

<h1 class=smallserif>, </h1>

 

, id. , , # (). :

 

div#content {

position: absolute;

top: 10px;

left: 10%;

right: 10%;

border: solid 1px silver;

}

...

<div id="content"></div>

 

, .

(grouping) . , . , :

 

div {

margin-left: 10px;

margin-top: 5px;

margin-right: 40px;

margin-bottom: 15px;

}

 

:

 

div {margin: 5px 40px 15px 10px;} /*: top right bottom left*/

 

.

, padding, font, border, background ..

 



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