.clignote {
    animation-duration: .8s;
    animation-name: clignoter;
    animation-iteration-count: infinite;
    transition: none;
}

@keyframes clignoter {
    0% {
        opacity: 1;
    }

    40% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

.custom-loading {
    display: block;
    width: 30px;
    height: 10px;
    text-indent: -9999px;
    background: transparent url("../quform/images/default-loading.gif") no-repeat center center;
}