body {
    background: url(../img/fondo.png) no-repeat fixed center; 
    background-size: cover;
    display:flex;
    font-family: sans-serif;
    padding: 0;
    flex-direction: column;  justify-content: center;margin:1rem;  
}

  
.marco{
    background: rgba(255, 255, 255, 0.4);
    margin: auto;width:100%;
    max-width: 90rem;}



section div h1 {
    color: #144341;
    font-size: 30pt;
    font-family: sans-serif;
    font-weight: 700;
    line-height: 60%;}



#imagen {
   
    display:flex;
    justify-content: center;
    align-items: center;
    padding:1rem 0;
    position: relative; top:3rem;right: 10rem;
    border-radius:1rem; align-items:
    
}

h4 {
    color: #f56727;
    font-size: 25pt;
    font-family: sans-serif;
    font-weight: 700;
    line-height: 60%; position: relative; left: 0rem;bottom:25rem;
    text-align: center;
}
img {background-color: #f8bca1;
    border-radius: 0.2rem;
    padding: 0.8rem;
    margin: 0rem;
    width: 20rem; position:relative; left: 10rem;top: 2rem;}



body section {
    display:flex;
    flex-direction: row;
    justify-content: space-between;
    padding:0;
    margin:0;
    margin-bottom: 2em }





header {
    background-color: #2c9a95;
    margin-bottom: 5rem ; padding-top: 2rem;
    display:flex;
    justify-content: center;
    }
header a {
    margin:0;
    padding:3rem;
    text-decoration: none;
    display: flex;
    justify-content: center;
}
   
header a div {
    display: flex;
    flex-direction: column;    }

header a div h1 {
    font-family: sans-serif;
    font-weight: 600;
    color:#fff;
    font-size:80px;
    margin:0px;  position: relative; left: 7rem;
}
header a div h2 {
    color:#fff;
    font-family: sans-serif;
    font-weight: lighter;    
    font-size:25px;
    margin: 0 auto;
    align-content: center;
   
}
header a {
    flex-direction: column;
}



   










nav {background: #f8bca1;padding: 0.5rem}
a{ color: rgb(26, 101, 98); font-family: sans-serif;font-size: 1.2rem;font-weight: bold;padding: 0.20rem}

nav {
    margin:0;
    padding:0rem;
    position: relative;top:-5rem;
    background-color: #f8bca1;}

nav ul {
    display:flex;
    flex-direction:row;
    justify-content: space-around;
    margin: 0rem;
    padding:0.1rem;
    color: #144341; 
    font-weight: 600;
    list-style: none;}

nav ul li {
    width: 20%;
    padding:0;
    text-decoration:none;
    color: #144341; 
    padding:auto}

nav ul li a {
    text-align: center;
    display:block;
    width: 100%;
    height: 2rem;
    line-height: 2rem;
    text-decoration:none;
    color: #144341; ;}







body section {
    display:flex;
    flex-direction: row;
    justify-content: space-between;
    padding:0;
    margin:0;
    margin-bottom: 2rem;}


body section div {
    padding:1rem;
    margin:1rem;
    background-color: rgba(44, 154, 149, 0.51);
    border-radius: 15px;
    width: 30%;
}


.materias h3 {
    color: #d15923;
    font-size: 18pt;
    text-align: center;
}

.materias ul li {
    line-height: 150%;
    font-weight:500;list-style: none;}


section div {
    padding:1em;
    margin:1em;
    background-color: rgba(26, 101, 98, 0.62);
    border-radius: 15px;
    width: 30%
}




     




footer{
        clear: both;
    background-color: #92a3ad;
    text-align: center;
    min-height: 12px;
    padding: 0.2rem }
.footer { 
    font-family: lato; 
    font-style: italic; 
    font-size: 13px;
    line-height: 1rem;
    color: #ffffff;  
     font-weight: 300;
   position: relative; top: 0.002rem; } 


 
@charset "utf.8";

@media screen and (max-width:800px) {