/*css Document*/
@charset "utf-8";
@import url(http://fonts.googleapis.com/css?family=Roboto:400,400italic,700);

* {
    margin: 0;
}

                                                    body{
	width: 960px;
	margin: auto;
    background-color: #E6E6E6;
    height: auto;
}

#contenedor {
    height: auto;
    width: 960px;
    margin: auto;
    font-family: 'Roboto', sans-serif;
    font-weight: 400;
    background-color: white;
}
      
header {
    height: 80px;
    background-color: black;
    color: white;
    width: auto;
    font-size: 40px;
    font-weight: 700;
    margin-top: 20px;
}
a:visited {
    color:white;
}
a:hover {
    color:#A22383;
}
main{
   
    height: auto;
    float: right;
    width:814px;
    display: inline-block;
    background-color: white;
    
    
}

h1 {
    font-size: 1em;
    float: right;
    padding: 0.4em;
}

<!-- navegador secundario -->



nav ul li a {
    text-decoration: none;
}

nav ul {
    list-style-type: none;
    padding-right: 1rem;
    padding-top: 0.5rem;
}
nav ul li {
    display: inline-block;
    float: right;
    text-decoration: none;
    font-family: "Roboto";
    font-weight: 400;
    padding-left: 1rem;
    margin: 0;
}

<!-- navegador ppal -->

main {
    background-color: aliceblue;
   
}

ul, li, a {
    margin: 0;
    padding: 0;
    text-decoration: none;
    color: white;
}
#navegador {
    height: 496px;
    width: 146px;
    float:left;
    color: white;
    background-color: black;
    box-sizing: border-box;
}
#imagen_home{
    width: 146px;
    height: 200px;
    background-color: white;
    
}
#navegacion {
    padding: 20px;
    background-color: black;
    height: 377px;
}
#navegador ul {
    list-style-type: none;
    height: auto;
   
}

#navegador ul li {
    text-decoration: none;
    font-family: "Roboto";
    font-weight: 400;
    padding-bottom: 10px;
    padding-top: 10px;
    
}

#columna1{
width:183.5px;
    margin-left: 20px;
    margin-top: 20px;
float: left;
}
                #fila1a {
                width: 183.5px;
                height: 397px;
                float:left;
                }

                #fila2a {
                padding: 15px;
                width: 183.5px;
                background-color: #A22383;
                height: 200px;
                float:right;
                box-sizing: border-box;
                    line-height: 20px;
                }




#encabezado{
    color: white;
    font-size: 80px;
    height: 70px;
    padding-top: 21px;
}
#titulo{
    line-height: 15px;
    color: white;
    margin-bottom: 5px;
}
#bajada{
    margin-top: 6px;
    line-height: 14px;
    color: white;
   
}



h.encabezado {
    font-weight: 700;
}
h.titulo {font-size: 17px;
    font-weight: 800;
    
}
h.bajada {font-size: 13px;
    font-weight: 400;    
   
}
 #flecha{
        float:right;
        width: 20px;
        height: 20px;}








 ul a {
	text-decoration: none;
	
}

footer {
    float: left;
    margin-top: 30px;
}

#footertop {
    font-size: 11px;
}
#footertopcol {
    width: 220px;
    float: left;
    padding: 10px;
    height: 70px;
    text-align: left;

}
#footerbot {
    text-align: center;
    color: #808080;
    height: 30px;
    padding-top: 5px;
}