*{
    font-family: "Julee", cursive;
    font-size: 5vh;
    text-align: center;
    color: #ffd200;
} 

body {
    background-image: url(https://images5.alphacoders.com/120/thumb-1920-1207344.jpg);
    background-repeat: no-repeat;
    background-size:cover; 
    background-position: center;    
    background-attachment: fixed; /* ESENCIAL */
}
.contenedor-centrado {
    display:flex;
    width: 100%;
    justify-content: center;
}

    .navbar-index{
    margin: 0;
    padding: 0;
    top: 0;
    width: 100%;
    height: 40%;
    background-color: rgba(77, 49, 134, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: 10px 10px 20px rgba(0, 0, 0, 0.5);
    
}


.back {
max-width: 40%;
margin: 0 auto;
padding: 20px;
background-color: rgb(57, 14, 140, 0.5);
border: 1px solid lightslategray;
border-radius: 5px;
box-shadow: 10px 10px 20px rgba(0, 0, 0, 0.5);
}


 .box {


    color: black;
    background-color: rgba(150, 150, 150, 0.75);

   
   
}  


button {
padding: 8px;
margin:4px;
background-color: #007bff;
color: #ffffff;
border: none;
border-radius: 5px;
cursor: pointer;
}
button:hover {
background-color: #0056b3;
}


a {
padding: 8px;
margin:4px;
background-color: #fdab13;
color: #1d1a39;
border: none;
border-radius: 5px;
cursor: pointer;
text-decoration: none;
font-size: 85%;
font-weight: 800;
}
a:hover {
background-color: #1d1a39;
color:#fdab13
}


/*     label {
    display: block;
    margin-bottom: 5px;
    }
    input[type="text"],
    input[type="number"],
    textarea {
    width: 90%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #cccccc;
    border-radius: 5px;
    }
    input[type="submit"] {
    padding: 10px;
    background-color: #007bff;
    color: #ffffff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    }
    input[type="submit"]:hover {
    background-color: #0056b3;
    } */