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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

HTML

              
                <HTML>
  <HEAD>
  </HEAD>
  <BODY BGCOLOR="3498db">
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
    
      <div BGCOLOR="3498db" class="accordion vertical">
        <section id="vertabout">
            <h2><a href="#vertabout">Seccion 1</a></h2>
            <p>Seccion 1</p>
        </section>
        <section id="vertblog">
            <h2><a href="#vertblog">Seccion 2</a></h2>
            <p>Seccion 2</p>
        </section>
        <section id="vertportfolio">
            <h2><a href="#vertportfolio">Seccion 3</a></h2>
            <p>Seccion 3</p>
        </section>
        <section id="vertcontact">
            <h2><a href="#vertcontact">Seccion 4</a></h2>
            <p>Seccion 4</p>
        </section>
      </div>
  </BODY>
</HTML>
              
            
!

CSS

              
                /**
 * 	CSS3 Only Horizontal and Vertical Accordion
 * 	Author: Paul Underwood for Hongkiat.com
 *  Website: www.paulund.co.uk
 *  Date: 27/11/11
 *  Version: 1.0
 */

 
article, aside, details, figcaption, figure, footer, header, hgroup, nav, section { display: block; }
audio, canvas, video { display: inline-block; *display: inline; *zoom: 1; }
audio:not([controls]) { display: none; }
[hidden] { display: none; }
html { font-size: 100%; overflow-y: scroll; -webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; }
body { margin: 0; font-size: 13px; line-height: 1.231; }
body, button, input, select, textarea { font-family: sans-serif; color: #222; }

/*Define Accordion box
El cuadro afuera del acordion*/
.accordion { width:830px; overflow:hidden; margin:10px auto; color:#ffffff; background:#2980b9; padding:10px; }

/*General Accordion****************************************************************************/
/*Set style of open slide*/
.accordion section:target { background:#ffffff; padding:10px;}
.accordion section:target:hover { background:#ffffff; }
.accordion section:target h2 {width:100%;}
.accordion section:target h2 a{ color:#333; padding:0;}
.accordion section:target p {display:block;}
.accordion section h2 a{padding:8px 10px;display:block; font-size:16px; font-weight:normal;color:#eee; text-decoration:none; }

/*set style of closed slide
CUANDO PASAS POR ENCIMAS DE LOS BOTONES*/

.accordion section{ float:left;	overflow:hidden; color:#333; cursor:pointer; background: #3498db; margin:3px; }
.accordion section:hover {background:#444;}
.accordion section p { display:none; }
.accordion section:after{position:relative;font-size:24px;color:#000;font-weight:bold;}
.accordion section:nth-child(1):after{content:'1';}
.accordion section:nth-child(2):after{content:'2';}
.accordion section:nth-child(3):after{content:'3';}
.accordion section:nth-child(4):after{content:'4';}
.accordion section:nth-child(5):after{content:'5';}
/*End General Accordion****************************************************************************/

/*Horizontal Accordion *********************************************************************/
.horizontal section{ width:5%; height:250px; 
	-moz-transition:width 0.2s ease-out; 
	-webkit-transition:width 0.2s ease-out;
  	-o-transition:width 0.2s ease-out;
	-ms-transition:width 0.2s ease-out;
  	transition:width 0.2s ease-out;
}

/*Position the number of the slide*/
.horizontal section:after{top:140px;left:15px;}

/*Header of closed slide*/
.horizontal section h2 { 
	-webkit-transform:rotate(90deg);
	-moz-transform:rotate(90deg);
	-o-transform: rotate(90deg);
	-ms-transform: rotate(90deg);
	transform: rotate(90deg);
	width:240px; position:relative; left:-100px; top:85px;
} 

/*On mouse over open slide*/
.horizontal :target{ width:73%;height:230px; }
.horizontal :target h2{ top:0px;left:0;
	-webkit-transform:rotate(0deg);
	-moz-transform:rotate(0deg);
	-o-transform: rotate(0deg);
	-ms-transform: rotate(0deg);
	transform: rotate(0deg); 
}
/*End Horizontal Accordion *********************************************************************/

/*Vertical Accordion *************************************************************************/
.vertical section{ width:100%; height:40px;
	-webkit-transition:height 0.2s ease-out;
	-moz-transition:height 0.2s ease-out;
  	-o-transition:height 0.2s ease-out;
	-ms-transition:height 0.2s ease-out;
  	transition:height 0.2s ease-out;
}
/*Set height of the slide*/
.vertical :target{ height:250px; width:97%; }

.vertical section h2 { position:relative; left:0; top:-15px; }

/*Set position of the number on the slide*/
.vertical section:after{ top:-60px;left:810px;}
.vertical section:target:after{ left:-9999px;}
              
            
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JS

              
                
              
            
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