INTRODUCCIÓN

HTML/CSS

Introducción

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HTML --> Hyper Text Markup Language

 

 

Historia

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1980 --> Tim Berners-Lee

1991 --> 18 etiquetas HTML

1995 --> HTML 2

1997 --> HTML 3.2 - HTML 4

2015 --> HTML 5

HTML

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Elementos: <etiqueta>contenido</etiqueta>

Atributos

DOM --> Document Object Model

Atributos

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src

alt:

disable:

href: 

id

style: 

title: 

<img src="jointDeveloper.png" alt="Joint Developer">
<a href="http://jointdeveloper.com/">Enlace</a>
<p style="color:blue;"></p>
<p title="saludo inicial">Hola</p>

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Etiquetas

  • HTML
  • <body>
  • <head>
  • <title>
  • <link>
  • <p>
  • <img>
  • <a>
  • <h1>...<h6>

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HTML  / HTML 5

<header>

<footer>

<article>

<section>

<canvas>

 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

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CSS

Cascading Style Sheets

 

1996 --> CSS1 - Bert Bos , Hakun Wiun

1998 --> CSS2 

1999 --> CSS3

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Para que se usa

  • CSS se usa para definir los estilos (apariencia) de un sitio web.
  • Ahorra trabajo.

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Concepto de cajas

Los elementos de HTML se generan sobre cajas.

  • Box Model
  • Box Sizing
  • Flex Box

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CSS

  • Cascada en el modelo
  • Class
  • Id

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CSS/CSS3

Selectors

Media Queries

Rounded corners

Border image

Gradients

Backgrounds

Animations

Images

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Selectors

Se usan para seleccionar el elemento al que se le desea cambiar o dar estilo.

.class

#id

element

element, element

element > element

:first-child

www.w3schools.com

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Media Queries

Se usa para crear sitios responsive

Agregar puntos de quiebre 

/* Small devices (tablets, 768px and up) */
@media (min-width: @screen-sm-min) { ... }

/* Medium devices (desktops, 992px and up) */
@media (min-width: @screen-md-min) { ... }

/* Large devices (large desktops, 1200px and up) */
@media (min-width: @screen-lg-min) { ... }

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CSS/CSS3

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Concepto de cajas

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Concepto de cajas

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Bootstrap / Materialize

Frameworks

Responsive

 

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Taller

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Introducción HTML/CSS - JointDeveloper

By jointDeveloper

Made with Slides.com

Introducción HTML/CSS - JointDeveloper

Presentado por Ing. Angélica Aguirre Castro - Comunidad jointDeveloper

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