*{
  font-family: 'Oswald', sans-serif;
  font-size: 70%;
  color: #000000;
  text-decoration: none;
  box-sizing: border-box;
  justify-content: center;

}

body {
  text-align:center;
  background: #ffffff;
}



.volver a{
  color: #ffffff;
  font-size: 1rem;
  background: #000000;
  border-radius: 100rem;
  width:5rem;
  padding: 1rem;
  justify-content: space-around;
}

.volver a:hover{
    color: #ffff00;
}

.volver{
    text-align: left;
    margin-top: 3rem;
    margin-left: 1rem;
}

.header{
 text-align: center;
 justify-content: space-around;
}

.imagen{
  background-image: url(../img/baner.jpg);
}
 
img{
  width: 190px;
  height: 190px;
  border: solid 5px #000000;
  display:inline-flex; 
  justify-content:center;
}

.nombre{
  padding-bottom: 0rem;
  padding-top: 0rem;
}

.carrera{
  padding-bottom: 0rem;
  padding-top: 0rem;
}

nav ul{
  list-style-type: none;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: space-around;
  align-items: stretch;
  align-content: space-around;
  column-count: 7;
  font-size: 3rem;
  padding:0.5rem 0rem 0.5rem 0rem; 
  margin: 0.5rem 0rem 0.5rem 0rem;

}

nav ul li{
  text-align: center;
  padding: 0rem;
}

nav ul li a{
  background: #000000;
  color: #ffffff;
  padding: 1rem;
  display: flex;
}

nav ul li a:hover{
  background: #fed201;
  color:#000000;
}


hr{
  border: solid 0.5px;
  margin-bottom: 0,5rem;
  margin-top:0,5rem;
}


h1{
  font-size: 3rem;
  font-weight: 300;
}


h2{
  font-size: 2rem;
  font-weight: 300;
}


.titulo{
  margin-top: 5rem;
}

h3{
  font-size: 2rem;
  text-align: left;
}

.titulo h3{
  margin-bottom: 0.75rem;
}

.niveles{
  column-count: 3;
  padding-top: 4rem;
  padding-bottom: 4rem;
  display: flex;
  justify-content:space-around;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: stretch;
  align-content: space-around;
  margin-left: 1rem;
  margin-right: 1rem;
  
}

.niveles h3{
  border-bottom: solid 1px;
  border: solid 2px #000000; 
  background: #ffffff;
  padding: 1rem 2rem 1rem 2rem;
  
}


.nivel01{
  padding: 1rem;
  border: solid 2px #000000; 
  color: #000000;
  background: #d10a0f;
}

.nivel02{
  padding: 1rem;
  border: solid 2px #000000; 
  color: #000000;
  background: #fed201;
}

.nivel03{
  padding: 1rem;
  border: solid 2px #000000;  
  color: #000000;
  background: #3d487e;
}

.listadomat{
  background: #ffffff;
  list-style-type: square;
  text-align: left;
  font-size: 1.5rem;
  padding: 2rem;
  border: solid 2px #000000;
  margin-bottom: 1rem; 

}

.datos{

  column-count: 3;

  display: flex;
  justify-content:space-around;

  margin-bottom: 2rem;
  margin-top: 2rem;
  font-size: 3rem;
  padding:2rem;
  border-radius: 1.5rem;
  border: solid 2px #000000;
}

.datos h3{
  font-size: 1.5rem;

}

.listdatos{
  list-style-type: square;
  text-align: left;
}

.descrip-tema{
  font-size: 2rem;
  margin: 2rem 0rem 2rem 0rem;
  border-radius: 1.5rem;
  border: solid 2px #000000;
}

.descrip{
 text-align: center;
 padding: 2rem 1rem 2rem 1rem;

}

.descrip h3{
 font-size: 1.5rem;
 text-align: center;

}

footer{
  color: #ffffff;
  background: #000000;
  font-size:1rem;
  padding: 2rem;
  text-align: center;
  margin-top: 1rem;
}

@media (max-width: 50rem) {

.volver a{
  font-size: 0.75rem;
  padding: 0.5rem;
}

nav ul{
  font-size: 1.5rem;
}

img{
  width: 100px;
  height: 100px;
}

.niveles {
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: center;
  align-content: space-around;
 }

.nivel01{
  margin-bottom: 1rem;
  margin-left: 1rem;
}
.nivel02{
  margin-bottom: 1rem;
  margin-left: 1rem;
}
.nivel03{
  margin-bottom: 1rem;
  margin-left: 1rem;
}

.datos {
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: left;
  align-content: space-around;
  font-size: 2.75rem;

 }

 .datos h3{
  font-size: 1rem;

}

footer{
    font-size:.75rem;

}

}