.thank-you{
    padding: 50px 0;
    position: relative;
    margin: 100px 0 0px;
}

.check-img{
    position: relative;
    width: 120px;
    margin-bottom: 20px;
    animation: check-zoom 2.5s linear infinite;
}
@keyframes check-zoom{
    50%{
        transform: scale(1.1);
    }
    100%{
        transform: scale(1);
    }
}

@media only screen and (min-width: 768px) {
    .thank-you-font-size{
        font-size: 6vw;
        margin-bottom: 40px;
    }
}