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

body {
    background: white;
    font-family: 'roboto';
    margin: 0;
    padding: 0;
}

header {
    margin: 0;
    padding: 0;
    background-image: url(../img/portada.jpg);
    background-size: cover;
    display: flex;
    justify-content: space-between;
    align-items: center;
    align-content: center
}

h1 {
    color: white;
    font-size: 4rem;
    margin: 2.5% 0 2.5% 2.5rem;
    font-family: 'Coda';
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0;
    background-color: #f4f4f4;
    height: 4rem;
    width: 100%;
    padding: 2.5rem;
}

.vn21 {
    color: black;
    font-size: 3rem;
    display: block;
    padding: 0;
    text-decoration: none;
}

nav ul {
    margin: 0;
}

nav ul li {
    list-style-type: none;
    padding: 0;
    display: inline-block;
    position: relative;
}

nav ul li a {
    padding: 1rem;
    color: black;
    text-decoration: none;
}

nav ul li a:hover {
    color: #c0b283;
}


/* pagina principal*/

main {
    max-width: 100%;
}

section {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    padding: 1rem;
    align-items: stretch;
}

h4 {
    font-size: 2rem;
    margin: 0 0 1rem 0;
    color: black;
}

.foto {
    display: flex;
    align-items: baseline;
    width: 40%;
    margin-left: 1rem;
    height: inherit;
    padding-top: 3.2rem;
}

.foto img {
    border-radius: 1rem;
}

.materias {
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
    flex-direction: column;
    width: 50%;
}

.listado {
    height: 50%;
    width: 50%;
    padding-bottom: 1.5rem;
    text-align: center;
}

.listado ul {
    ;
}

p {
    margin: 0;
    padding: 0.5rem;
    font-size: 1.45rem;
}

main section div ul {
    margin: 0;
    box-sizing: border-box;
}

main section div ul li {
    list-style-type: none;
    padding: 0;
    margin: 0;
    font-size: 1.5rem;
    background-color: #f4f4f4;
    text-align: center;
    border-radius: 1rem;
}


footer {
    width: 100%;
    background-color: black;
    padding: 1rem;
}

.footah {
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.textof {
    ;
    color: white;
    font-size: 1rem;
    text-align: left;
    padding-left: 2rem;
}

.textof p {
    font-size: 0.8rem;
    padding: 0;
}

h3 {
    margin: 0.5rem 0 1rem 0;
    font-size: 1rem;
}

h3 a {
    color: white;
    text-decoration: none;
}

h3 a:hover {
    color: #6d7993;
}



/*responsive*/

@media all and (max-width:40rem) {

section {
    padding: 0.5rem;
    display: flex;
    flex-direction: row-reverse;
    justify-content: center;
    align-items: baseline;
    align-content: stretch;
}

.foto {
    margin: 0 auto;
    padding: 0;
    width: 90%;
}

.materias {
    width: 100%;
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    justify-content: flex-start;
    align-items: center;
    align-content: stretch;
}

.listado {
    width: 90%;
    padding-bottom: 0.5rem;
}

p {
    font-size: 1rem;
    padding: 0.3rem;
}

h4 {
    font-size: 1.3rem;
    margin: 0 0 0.5rem 0;
}

nav {
    min-width: 320px;
    margin: auto;
    padding: 1rem;
    height: auto;
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    justify-content: space-around;
    align-items: center;
    align-content: stretch;
}
    
    
nav ul li {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-around;
    align-items: center;
    align-content:space-between;
    max-width: 100%;
}
 
 nav ul li a { padding: 1rem 1rem 1rem 0;
    font-size: 0.8rem;
}

.vn21 {
    font-size: 2rem;
}


.footah {
    display: flex;
    flex-direction: column-reverse;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
    align-content: stretch;
}
    
    .footah img{ margin-top: 3%;
    }

.textof {
    padding: 0;
}

.textof p {
    font-size: 0.8rem;
}

.textof h3 {
    font-size: 0.8rem;
}

header {
    padding: 2rem 0 2rem 1rem;
}

h1 {
    font-size: 1.5rem;
    margin: 0;
}