.messaggioIBAN {
    background-color: #E3AF00;
    padding: 10px 20px;
    font-weight: bold;
    text-align: center;
    clear: both;
}

    .messaggioIBAN h3 {
        color: #000;
        text-shadow: 1px 1px 2px #a90000;
        line-height: 20px;
    }

.blink_me {
    animation: blinker 3s linear infinite;
}

@keyframes blinker {
    50% {
        opacity: 0.3;
    }
}