*{
    margin: 0;
    padding: 0;
}


p{
    color: white;
}
h1,h2,h3{
    color: black;
}
a{
    color: white;
    text-decoration: none;
}

label{
    color: white;
}

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

.contenedor-principal{
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    margin-top: 10rem;
}

.contenedor-segundario{
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgb(255, 255, 255);
    width: 20rem;
    height: 5rem;
    border-radius: 10px;
    border: 2px rgba(12, 12, 94, 0.813);
    transition: all 0.9s ;
    border-style: dashed groove dashed groove;

}

.contenedor-segundario:hover{
    transform: scale(1.1);
    -webkit-box-shadow: 0px 0px 20px 4px rgba(79,79,255,1);
-moz-box-shadow: 0px 0px 20px 4px rgba(79,79,255,1);
box-shadow: 0px 0px 20px 4px rgba(79,79,255,1);
}


/* PRIMER RETO -------------- */

#ele1{
    background-color: green;
}


/* segundo reto  */
.cajas{
    display: flex;
    gap: 5px

}
#div_uno{
    width: 200px;
    height: 200px;
    background-color: blue;
}
#div_dos{
    width: 200px;
    height: 200px;
    background-color: red;
}
#div_tres{
    width: 200px;
    height: 200px;
    background-color: green;
}
#div_cuatro{
    width: 200px;
    height: 200px;
    background-color: yellow;
}

/* tercer reto  */
#contenedor-key{
    display: flex;
    flex-wrap: wrap;
}
#key{
    width: 200px;
    height: 200px;
    background-color: rgb(255, 255, 255);
    border: 5px solid black;
}