#contenedor-header {
    background-color: blue;
    color: black;
    border-radius: 20px;
    padding : 15px;
    display : flex;
    border: 5px black solid;
    margin : 15px;
}
#header-titulos{
    width : 75%;
    text-align: center;
    padding: 15px;
    margin : 15px;
}

#header-imagen{
    width: 25%;  
    border-radius: 20px;
}

img{
    height: 200px;
}

#principal{
    background:blue;
    border-style: solid;
    border-color: black;
    border-radius: 25px;
    padding: 25px;
}
button{
    font-size: 25px;
    background: white;
    color: black;
    border-radius: 15px;
}
button:hover{
    font-size: 25px;
    background: #C0C0C0;
    color: whitesmoke;
    border: 5px black solid;
    border-radius: 15px;
}
#botones{
    text-align: center;
    margin-top: 15px;
}
.labelcoral{
    color: black;
    font-weight: bolder;
    font-size: 25px;
}
#navega {
    margin : 15px;
    background-color:skyblue;
    border-radius: 20px;
    border: 5px black solid;
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
    margin : 15px;
}

li {
  background-color: blue;

  font-size: 20px;
  border-radius: 20px;
  padding:15px;
  margin:3px;
}

a {
    color : black;
    text-decoration: none;
    padding: 15px;
}
body{
    background-color: lightblue;
}