header{
    float: center;
    background-color: #808080;
    width: 75%;
    margin-bottom: 3%;
    margin-right: 3%;

}

body{
    background-color: #808080;
    font-size: 90%;
    font-weight: bold;
}
nav {
    width: 17%;
    float: left;
}
nav div {
    width: 100%;
    height: auto;
}
nav a{
    border: 2px solid #000000;
    text-align: center;
    background-color: #808080;
    text-decoration: none;
    color: #000000;
    font-weight: bold;
    color: white;
    padding: 5px;
    border-radius: 4px;
    margin-bottom: 10px;
    display: block;

}
.portada {
    width: 65%;
    float: right;
    margin-bottom: 2%;
    margin-right: 8%;
}
nav div{
    margin-left: 1.5%;
    width: 18%;
    position:fixed; top:0;
    word-wrap: break-word;
}
.contenedor {
    width: 100%;
    min-width: 700px;
}
nav p{
    background-color: #ffffff;
    font-weight:bold;
    padding: 2%;
    border-radius: 3%;
    color: black;
    border: 2px solid #000000;
    font-family: Verdana;
    width: 18%;
    height: 75%;
    max-width: 18%;
    height: auto;
    position: fixed;
}

section{
    font-family: Verdana;
    width: 63%;
    margin-right: 4%;
    float:right;
    border-radius: 5px;
    box-shadow: 2px 2px 2px 2px rgb(0.0.0 1);
    margin-bottom: 15px;
    padding: 15px;
    color: #000000;
    background-color: #ffffff;

}
section img{
    margin-top: 4%;
    width: 43%;
    float: left;
    display: block;
    margin-right: 5%;
    border-radius: 5%;
}
section p{
    width: 50%;
    float: right;
}
section h5{
    clear: both;
    float: right;
    color: red;
}
footer{
    clear: both;
    width: 100%;

}
a{
    border: 2px solid #000000;
    background-color: #808080;
    text-decoration: none;
    color: #000000;
    font-weight: bold;
    color: white;
    padding: 1.5%;
    border-radius: 4px;
}

article{
    margin-left: 45%;
    float: center;
    opacity: 0.3;
}
.botones {
    background-color: white;
    color: black;
    border: #ffffff;
    padding: 0;
    border: 0;
    border-radius: 0;
    margin-bottom: 0;
}