.thank-you-container {
    margin-top: 0;
    display: block;
    text-align: center;
    height: 0;
}

.thank-you-container .success {
    margin-top: 10px;
    text-align: center;
    color: #3e3e3e;
    font-size: 1.9em;
    height: 0;
}

.thank-you-container .img-container {
    width: 400px;
    max-width: 96%;
    margin: 0 auto;
}

.thank-you-container .img-container img {
    width: 100%;
    height: 0;
}

.thank-you-container {
    visibility: hidden;
    opacity: 0;
    transition: visibility 0s, opacity 0.5s;
    height: 0;
}

@keyframes spin {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}