body {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  height: 100vh;
  color: #222;
}
a {
  text-decoration: none;
  color: black;
}

.btn-verde {
  text-decoration: none;
  color: white;
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 700;
  background-color: rgb(159, 34, 65);
  padding: 1rem 2rem;
  border-radius: 10px;
  display: inline-block;
  align-self: center;
}
.btn-verde:hover {
  background-color: rgb(185, 144, 86);
}


.frase {
  text-align: center;
}



.barra-navegacion {
  color: black;
  display: flex;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.nombre-prepa{
  font-weight: bold;
}
.logo-img{
min-width:30% ;
}
.logo-edomex{
  width: 100%;
  height: 100%;
}
nav{
  margin: auto 0;
}
nav a {
  text-decoration: none;
  font-size: 18px;
  color: black;
  padding-inline: 10px;
}

nav a:hover {
  color: rgb(159, 34, 65);
}

@media (max-width: 500px){
  hr{
    width: 50%;
  }
.logo-img{
 height: 50px;
padding: 3px;
margin-bottom: 10px;
}
.barra-navegacion {
  display: block;
}

 .flex{
  display: flex;
  flex-direction: column;
 }
nav a {
  margin-top: 10px;
  text-align: center;
  font-size: 15px;
 }
 .carousel {
  width: 50%;
 }

 }
main{
  margin:40px 30px ;
}

/* Main */
.grid{
  display: grid;
  grid-template-columns: repeat(2,1fr);
}
.hijos{
  text-align: center;
}
@media (max-width: 500px){
  .grid{
    grid-template-columns: repeat(1,1fr);
  }

  .grid h3{
    font-size: 15px;
  } 
  
  
}
/* footer */

footer{
  background-color: black;
  position: absolute;
  bottom: 0;
  width: 100%;
  color: white;
  padding-top: 1.2rem;
  padding-bottom: 1.2rem;
  display: flex;
  flex-direction: column;
  text-align: center;
  position: relative;
}