*{
    margin: 0;
    padding: 0;
    -webkit-box-sizing:border-box ;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

body {
    font-family: Arial,  sans-serif;
    font-size: 16px;
    background: #4a465b;
}

.contenedor {
    width: 1000px;
    margin: 20px auto;
    overflow:hidden ;
}

header {
    background:#fff ;
}

header nav {
    width: 100%;
}

header nav ul {
    width: 100%;
    overflow: hidden;
    list-style: none;
}

header nav ul li {
    float: left;
    /*display: inline-block;*/
}

header nav ul li a {
    text-decoration: none;
    display: inline-block;
    padding: 15px 20px;
    color:   #000;
}

header nav ul li a :hover {
    background:  #000;
    color: #fff;
}

.main{
    width: 700px; 
    background: #fff;
    float: left;
}

.main .imagen {
    width: 100%;
}

.main .imagen  img {
    width: 100%;
    vertical-align: top;
}

.main .posts {
    padding: 40px ;
}

.main .posts article h2 {
    margin-bottom: 20px; 
    color: #424242; ;
    
}

.main .posts article p {
 margin-bottom: 15px;
 line-height: 27px;
}

aside {
    width: 300px;
    background: #161f26;
    padding: 20px;
    color: #fff;
    float: left;
}

aside .widget {
    margin-bottom: 20px;
}

aside .widget .TITULO {
    color: #ff8000;
    border-bottom: 1px solid #ff8000;
    margin-bottom :10px;
}

aside .widget ul{
    list-style: none;
}

aside .widget ul li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 10px 0;
}

aside .widget ul li  a {
    color: #fff;
    text-decoration:none;
}

aside .widget ul li  a:hover {
    color: #8f8f8f;
}

aside .widget p {
   line-height: 27px;
}

footer{
    width:700px ;
    clear: both;
    background: #000;
    color: #fff;
    padding: 15px 0;
    text-align: center;
}