#confirmar {
    background-color: transparent;
    border-color: transparent;
    color: black;
}

#confirmar:hover {
    text-decoration-line: underline;
    color: blue;
}

.caja-azul{
    text-align:justify;
    padding-top: 30px;
    background-color: #d8ecf7;
    border: 1px solid #afcde3;
    margin: 0 0 25px;
    overflow: hidden;
    padding: 20px;
}