.send {
    margin: 3px;
    padding: 1px 5px;
    border: none;
    border-radius: 20px;
    background-color: #007bff;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.send:hover {
    background-color: #0056b3;
}

.botones {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: -45px;
}

.qr-container {
    display: flex;
    justify-content: center;
    align-items:flex-start;
    height: 100%; 
    margin-top: 10px;
}

.qr-container img {
    max-width: 80%;
    max-height: 80%;   
   
}

h3 {
    text-align: center;
    margin-top: -55px;
    margin-bottom: 50px;
    font-size: 18px;
}

h4 {
    text-align: center;
    margin-top: -50px;
    margin-bottom: 50px;
    font-size: 18px;
}