header nav ul a {
    margin: 5;
    color: dimgrey;
    text-decoration: inherit;
    font-family: "Open Sans";
}

span {
    font-weight: bolder;
    margin: 5;
}

body {
    margin: 0
}

header {
    background-color: lightgray;
    padding: 1em;
    margin-top: -1em;
    margin-bottom: 2em;
}

.h img {
    border-radius: 10%;
    width: 5cm;
    height: 5.cm;
    box-shadow: 0 0 15px 0;
}

#imagen {
    margin: 16px;
    margin-bottom: 9px;
    text-align: center;
}

.h {   max-width: 100%;
    height: auto;
    width: 9cm;
    border-bottom: 1;
    border-top: 0, 1px;
    border-width: 1px;
    background-color: mintcream;
    border-color: mediumaquamarine;
}

h1 {
    font-family: 'Playfair Display', serif;
    text-align: center;
    background-color: #9fdecc;
    color: #091872;
    margin: 0cm;
}

h3 {
    font-family: 'Playfair Display', serif;
    color: #091872;
    background-color: #ddf6ef;
    text-indent: 0.2cm;
}

li {
    font-family: 'Open Sans', sans-serif;
    font-size: 14px;
}

footer {
    font-family: 'Open Sans', sans-serif;
    font-size: 11px;
    box-sizing: border-box color: dimgrey;
    text-indent: inherit;
    margin-top: 3em;
    text-align: center;
    background-color: lightgray;
}


/*--------*/

.app a{
    font-family: 'Open Sans', sans-serif;
    font-weight: bold;
    text-transform: uppercase;

    border box-sizing: border-box;
    padding-right: 5em;
    padding-left: 5em;
    padding-bottom: 0.3em;
    padding-top: 0.3em;
    margin-left: 5em;
    background-color: darksalmon;
    text-align: center;
    text-decoration: none;
    color: aliceblue;
    
    box-shadow: inset 0 0 8px 0 black;
    border-radius: 6px;
}

.pantallas h4{
   font-family: 'Playfair Display', serif;
    
    background-color: #9fdecc;
    color: #091872;
    font-size: 1.5em;
   text-indent: 0.3em;
width: 9cm
    
}

.pantallas img{
width: 30cm;
      max-width: 100%;
    height: auto;
}