@import url(https://fonts.googleapis.com/css?family=Roboto:500italic);
@import url(https://fonts.googleapis.com/css?family=Roboto:500);
@import url(https://fonts.googleapis.com/css?family=Lobster);
@media all and (max-width: 30rem);
@media all and (min-width: 20rem);

*{
    box-sizing: border-box;
    text-align: center;
    background: #20B78C;
    }



/*HEADER*/
.encabezado{
    font-family:"lobster";
    font-size: 1.8rem;
    color: white;
    min-height: 3rem;
    padding: 1.5rem;
            }


/*BODY*/
.alumno{
     font-family: "Lobster";
     font-size: 1.2rem;
     padding: 2rem;
     color: white;
}
.completar{
    font-family: "roboto", sans-serif;
    font-weight: 500;
    font-style: italic;
    text-align: left;
    color: gray;
    background: white;
    border-radius: 1rem;
    padding:0.5rem;
    margin: 1rem;
}

.olvido{
    font-family: "roboto", sans-serif;
    font-weight: 500;
    font-size: 0.85rem;
    text-decoration:underline; 
    color: white;
}


/*MAIN*/
.secciones{
    width: 100%; 
    padding: 3rem;
/*CENTRA LOS ELEMENTOS*/
            }

div {align-content: center;}

nav ul li {
    list-style-type: none;
    display: inline-block;
    padding: 1rem;
    float: inherit;
    
}
   
nav ul li a { 
    text-decoration: none;
    color: #ffffff;
    font-family: "roboto", sans-serif;
    font-weight: 500;
    font-size: 0.90rem;
    background-color: #20B78C;
    padding: 0.50 2rem;
    border-color: white;
    border-style: solid;
    border-radius: 1rem;
}

.clear {
    clear: both;
}

/**FOOTER**/

.footer-contenido {
    min-height: 5rem;
    padding: 2rem;
  }