En esta ocasión veremos cómo dibujar un paisaje sencillo y colorido usando solamente CSS3.
Veamos el resultado final:
Crear formas irregulares usando Bordes
Comenzaremos con la técnica para hacer el edificio, puerta, ventana y troncos. Veamos qué pasa si formamos un cuadrado o rectángulo y desde el CSS3 le damos bordes bien anchos y, a cada borde, le damos un color diferente. Nos quedaría este resultado:

css
Código :
<style type="text/css"> .recuadro1{ width:0px; border-top:50px solid violet; border-right:50px solid pink; border-bottom:50px solid yellow; border-left:50px solid limegreen; } </style>
html5
Código :
<div id="ejemplo"></div>
Si le damos un ancho y ponemos en color transparente a 3 lados podemos obtener la siguiente forma:

Código :
.recuadro1{ width:100px; height:100px; border-top: 0px solid transparent; border-left: 50px solid transparent; border-right: 50px solid transparent; border-bottom: 50px solid hotpink; }
Fíjense que el border-top está en 0 px.
De esos resultados nos valdremos para crear formas, en este caso haremos un edificio en una extraña perspectiva, tipo cartoon encimando 2 capas, una con borde inferior y la otra con borde superior:

Código :
.recuadro{ position:relative; width:100px; height:50px; border-top: 120px solid deeppink; border-left: 50px solid transparent; border-right: 50px solid transparent; border-bottom: 0px solid transparent; transform:rotate(-2deg); /*esto es para dejar mas cute al dibujo*/ z-index:3; } .recuadro1{ position:relative; width:100px; height:100px; border-top: 0px solid transparent; border-left: 50px solid transparent; border-right: 50px solid transparent; border-bottom: 50px solid hotpink; transform:rotate(-2deg); margin:-270px 0 0 -5px; z-index:2; }
Con esta sola premisa podemos encimar diferentes capas con estas propiedades y así vamos formando nuestras figuras. también podemos en vez de encimar capas, usar :after y :before con posiciones absolutas.
Dibujar el edificio con css3
Como ya lo básico está explicado contaré como ir formando los elementos y al final pongo el codigo completo y el demo.
Ya con esta premisa y aplicando solamente esta técnica podemos formar el dibujo del edificio, la ventana y la puerta. Para incentivar la perspectiva rotaremos un poco los elementos.
Márgenes
Debemos usar mucho margen negativo porque no olvidemos que para ir generando las formas estamos trabajando con rectángulos pero sólo estamos visualizando uno de sus lados. Veamoslo:

Agregamos la ventana y la puerta, todo esto con positiones relativas y usando z-index.
Dibujar los árboles
Se acuerdan del tutorial de Animación de nubes con CSS3? Usaremos la misma técnica para hacer los árboles.
Tendremos 3 capas y las encimaremos. Luego les daremos forma redondeada con border-radius:

El tronco
Se hace igual que con el edificio, sólo que lo haremos más alto y fino. A estos también les daremos una leve rotación para darle más perspectiva al dibujo.
Dibujar un camino
La calle que está al lado de la casa es una capa con border-radius ovalado y bastante grosor.
Código :
.calle{ width:1700px; height:500px; border-radius: 800px / 500px; behavior: url(pie.htc); border:100px solid white; position:relative; z-index:22; }
Luego sólo queda reacomodar los elementos con los valores relativos y márgenes para ir ubicándolos dentro de la composición.
Hacerlo crossbrowser
Se visualiza BIEN en chrome, safari, IE9 y 8.
border transparent
Ovbiamente esta es la peor parte

El render en Firefox y Ópera
La superposición de los elementos y las transparencias no se ven muy bien en estos navegadores.


El render no sale bien en estos navegadores. Si alguien tiene algun hack oscuro que lo postee acá

border transparent en IE-6
Si todavía validas para IE6 aquí esta tu solución si deseas usar esta técnica con bordes transparentes.
En IE6 los bordes que deberían estar transparentes se ven negros.

Esto lo solucionamos con un exótico y antiguo hack. Sólo debemos asignarle un color cualquiera a los bordes transparentes y aplicarle filter: chroma a ese color:
Código :
/*----------------hack transparencia ie6 WTF!! >o< ----------*/ *html .recuadro, *html .tronco, *html .ventana, *html .puerta { border-left: pink; border-right: pink; border-bottom: pink; filter: chroma(color=pink); } *html .recuadro1 { border-left: pink; border-right: pink; border-right: pink; filter: chroma(color=pink); }
y la magia negra ocurre

Y qué pasa con los elementos rotados en IE?
Lamentablemente, IE tiene filtro para rotar, pero sólo hay 4 grados de rotación. Se puede usar también algún javascript, pero estas rotaciones utilizadas en el tutorial son muy sutiles, por lo que si no están no es una gran pérdida. No vale la pena recurrir a tanta magia negra por sólo 2 grados, no creen?

En la imagen solo habría que modificar un poco el margen y listo, pero la verdad... qué pereza no?? lo mismo para IE7, pero quién usa IE7??

Para los prefijos automáticos y los bordes redondeados utilicé prefix-free y css-pie.htc.
Y aquí el código final y el demo.
HTML5
Código :
<!DOCTYPE HTML> <html lang="en-US"> <head> <meta charset="UTF-8"> <title>Ejemplo::Paisaje en CSS3</title> <link rel="stylesheet" type="text/css" href="style.css" media="all" /> <script src="prefixfree.min.js"></script> </head> <body> <div id="cuadro"> <div class="sol"></div> <div class="tree1"> <div class="arbol1"></div> <div class="arbol2"></div> <div class="arbol3"></div> <div class="tronco"></div> </div> <div class="edificio-todo"> <div class="puerta"></div> <div class="ventana"></div> <div class="recuadro1"></div> <div class="recuadro"></div> </div> <div id="calle-cont"> <div class="calle"></div> </div> <div class="tree"> <div class="arbol1"></div> <div class="arbol2"></div> <div class="arbol3"></div> <div class="tronco"></div> </div> </div> </body> </html>
CSS3
Código :
body{ background:deepskyblue; border-bottom: 400px solid orchid; font-family: "Trebuchet MS", Arial, sans-serif; } *{ margin:0; } /*------------------ejemplo------------*/ .recuadro{ position:relative; width:100px; height:50px; border-top: 120px solid deeppink; border-left: 50px solid transparent; border-right: 50px solid transparent; border-bottom: 0px solid transparent; transform:rotate(-2deg); z-index:3; } .recuadro1{ position:relative; width:100px; height:100px; border-top: 0px solid transparent; border-left: 50px solid transparent; border-right: 50px solid transparent; border-bottom: 50px solid hotpink; transform:rotate(-2deg); margin:-270px 0 0 -5px; z-index:2; } .ventana{ position:relative; margin:-200px 0 0 -5px; right:-30px; width:50px; height:70px; border-top: 30px solid white; border-left: 5px solid transparent; border-right: 5px solid transparent; border-bottom: 0px solid transparent; transform:rotate(-4deg); z-index:4; } .puerta{ position:relative; margin:130px 0 0 -5px; right:-70px; width:50px; height:100px; border-top: 50px solid white; border-left: 10px solid transparent; border-right: 10px solid transparent; border-bottom: 0px solid transparent; transform:rotate(-2deg); z-index:5; } #cuadro{ width:80%; height:200px; padding:50px; margin:0 auto; } .sol{ width:100px; height:100px; border-radius:100px; behavior: url(pie.htc); background:yellow; } .tree1{ width:200px; height:180px; margin:50px 0 0 230px; position:relative; z-index:20; transform: scale(0.8) rotate(-15deg); } .edificio-todo{ width:300px; height:200px; margin:-190px 0 0 300px; position:relative; z-index:21; } #calle-cont{ width:93%; height:380px; overflow:hidden; position:relative; margin:-200px 0 0 200px; } .calle{ width:1700px; height:500px; border-radius: 800px / 500px; behavior: url(pie.htc); border:100px solid white; position:relative; z-index:22; } .tree{ width:200px; margin:-380px 0 0 500px; position:relative; z-index:23; transform: scale(1.2) rotate(8deg); } .arbol1{ width:100px; height:80px; border-radius:100px /80px; behavior: url(pie.htc); background:yellowgreen; position:relative; z-index:9; } .arbol2{ width:120px; height:100px; border-radius:120px /100px; behavior: url(pie.htc); background:yellowgreen; transform:rotate(-2deg); margin:-50px 0 0 30px; position:relative; z-index:8; } .arbol3{ width:120px; height:100px; border-radius:100px /80px; behavior: url(pie.htc); background:yellowgreen; transform:rotate(5deg); margin:-100px 0 0 -30px; position:relative; z-index:7; } .tronco{ width:20px; height:200px; border-top: 50px solid brown; border-left: 10px solid transparent; border-right: 10px solid transparent; border-bottom: 0px solid transparent; transform:rotate(-2deg); z-index:6; margin:-20px 0 0 30px; position:relative; } /*----------------hack transparencia ie6 WTF!! >o< ----------*/ *html .recuadro, *html .tronco, *html .ventana, *html .puerta { border-left: pink; border-right: pink; border-bottom: pink; filter: chroma(color=pink); } *html .recuadro1 { border-left: pink; border-right: pink; border-right: pink; filter: chroma(color=pink); }
Ver demo
Espero les sirva y se haya entendido la técnica. Si tienen dudas, consejos, hack, filtros o algún screenshot los postean por acá.
¿Sabes SQL? ¿No-SQL? Aprende MySQL, PostgreSQL, MongoDB, Redis y más con el Curso Profesional de Bases de Datos que empieza el martes, en vivo.
Muy interesante la parte del hack para darle soporte a IE8. Haz avanzado bastante, felicidades.
Sigue con tus aportes, quiero ver más de esto.
Está muy original y bien explicado. Cada vez haces cosas más cool con CSS3.
Al paisaje le quedarían bien las nubes que hiciste en otro tutorial
Por arcangel1995 el 19 de Febrero de 2012
Saludos y esperemos otros demos
Por juan palomo el 20 de Febrero de 2012
juan palomo-blog :
pero...que tiene que ver flash en todo esto???????
Por v3on el 22 de Febrero de 2012
gracias
Impactante, seguro que le daré utilidad.
Por djorge25 el 06 de Marzo de 2012
eres un artista del código
me has hecho ver de forma distinta el css3
Por andrey el 23 de Abril de 2012
Por Freeki el 18 de Marzo de 2013
Por el 01 de Agosto de 2016
Por Jason el 29 de Octubre de 2016
Por el 31 de Enero de 2018
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