* {
    background: black;
    font-family: Tahoma;
    color: white;
    
}

    


header nav ul {
    padding: 0rem 5rem 0rem 5rem; 
    justify-content: space-between; 
    margin: 0;
    display:flex;
    list-style-type: none;
    background: white;
    margin-bottom: 5rem;
}



header nav ul li {
    padding: 1rem;
    background: white;

}

header nav ul li a {
    background: white;

}



header nav ul li:hover {
    background: #edac54; 
}


header nav ul li a:hover {
    color: black;
    background: #edac54; 

}


a {
    text-decoration: none;
    color: #676565;
}


main {
    background: #e5e5e5;
    margin: 0;
}

.mala {
    margin-left: 3rem;
   
}



.cabecera {
    background: black;
    width: 40%;
    padding-top: 1rem;
    margin-right: 10rem;
}

.grupo {
    display: flex;
    align-content: space-between;
}

.grupo1 {
    padding: .2rem;
    padding-right: 3rem;
    border-style: solid;
    border-width: thin;
    border-radius: .7rem;
    border-color: white;
    padding-left: 3rem;
}

.grupo2 {
    padding: .2rem;
    padding-right: 3rem;
    border-style: solid;
    border-width: thin;
    border-radius: .7rem;
    border-color: white;
    padding-left: 3rem;
}
.grupo3 {
    padding: .2rem;
    padding-right: 3rem;
    border-style: solid;
    border-width: thin;
    border-radius: .7rem;
    border-color: white;
    padding-left: 3rem;
}


.grupo a {
    padding: .7rem;
}




h2 {
    text-align: center; 
    font-size: 3rem; 
    color: darkslateblue; 
    margin: 0rem 1rem 0rem 1rem;
}


h1 {
    font-size: 0.9rem;
    text-align: center;
    margin: 0rem 1rem 0rem 1rem;
}

.carrera {
    font-size: 1.5rem;
    text-align: center;
    color: darkslateblue;
}


.titulomaterias {
    font-size: 2rem;

}

.titulomaterias2 {
    font-size: 2rem;
    margin-top: 6rem;

}

hr {
    width: 35%;
    margin-left: 0;
    margin-bottom: 3rem;
    margin-bottom: 1rem;
}


.materias {
    margin-left: 10rem;
    width: 70%;
    color: white;
}

.materias a {
    color: white;   
}

.nivel1 {
    padding: 1rem; 
    width: 80%; 
    margin: 1rem;
    margin-left: 0;
}


.nivel2 {
    padding: 1rem;
    width: 80%;
    margin: 1rem;
    margin-left: 12rem;
}


.nivel3 {
    padding: 1rem; 
    width: 80%;
    margin: 1rem;
    margin-left: 25rem;

}


footer {
    padding: 0rem; 
    background: #908c8c;
    color: #ffffff; 
    font-size: 0.8 rem;
    margin: 0;
    margin-top: 10rem;
    margin-left: 10rem;
}


section {
    display: flex;
}

p{
    font-size: .8rem;
} 


.N1Desp {
    padding: .2rem;
    padding-right: 3rem;
    border-style: solid;
    border-width: thin;
    border-radius: .7rem;
    border-color: white;
    padding-left: 3rem;

}

.N2Desp {
    padding: .2rem;
    padding-right: 3rem;
    border-style: solid;
    border-width: thin;
    border-radius: .7rem;
    border-color: white;
    padding-left: 3rem;
    margin-left: 3rem;
}

.N3Desp {
    padding: .2rem;
    padding-right: 3rem;
    border-style: solid;
    border-width: thin;
    border-radius: .7rem;
    border-color: white;
    padding-left: 3rem;
    margin-left: 3rem;
}