body {
    background-image: url("../images/background.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
.btn-custom {
    background-color: black;
    color: white;
    border: 2px solid black;
    padding: 10px 15px;
    border-radius: 5px;
    text-align: center;
    display: inline-block;
    font-size: 14px;
}

.btn-custom:hover {
    background-color: #333; /* Un gris oscuro al pasar el ratón */
    border-color: #222;
}