.double-bounce-spinner {
    width: 40px;
    height: 40px;
    position: relative;
    margin: 100px auto;
}
.double-bounce-spinner .double-bounce1, .double-bounce2 {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #333;
    opacity: 0.6;
    position: absolute;
    top: 0;
    left: 0;

    -webkit-animation: sk-bounce 2.0s infinite ease-in-out;
    animation: sk-bounce 2.0s infinite ease-in-out;
}

.double-bounce-spinner .double-bounce2 {
    -webkit-animation-delay: -1.0s;
    animation-delay: -1.0s;
}

.slider-item.f-image img {
    opacity: 0;
}