/*BODY*/
body{
    background-image: url(../img/Fondo%203.jpg);
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover; 


  
}




*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
}


/*HEADER*/

header{
    height: 50px;
    background: #333;
    display: flex;
    justify-content: space-around;
    align-items: center;
    color: aliceblue;
}

header .menu{
    list-style: none;
    display: flex;
    
}

nav ul li{
    background: #eee;
    border-radius: 5px;
    margin-left: 10px;
    font-size: 1.2em;
    padding: 0.3em;
    line-height: 1.5
     align-items: center;
    
      
}

a{ text-decoration: none;}


nav ul li:hover{
    background: #7894FF;
}

ul li a{
    text-decoration: none;
    color: #333;
}

ul li a:hover{
    color: aliceblue;
}

.boton{
    text-align: center;
    background: #eee;
    border-radius: 5px;
    margin-top: 1em;
    font-size: 1.2em;
    padding: 0.3em;
    line-height: 1.5;
    text-decoration: none;
}

.boton:hover{
    background: #7894FF;
    color: aliceblue;
}


/*SECTION*/

.datos{
    margin-top: 50px;
    margin-bottom: 50px; 
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.article{
    margin-left: 50px;
    flex-wrap: wrap;
}

.article img{
    height: 400px;
    border-radius: 50%;
}

.materiasAprobadas{
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2em;
    
}

ul{
    list-style: none;
}

hr{
    height: 10em;
    margin-left: 2em;
    margin-right: 2em;
    
}



/*FOOTER*/

.footer{
   height: 70px;
    background: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    color: aliceblue;
}

.footer p{
    width: 1000px;
    font-size: 0.7em;
    text-align: center;
}