.laoder-area {
    position: fixed;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    z-index: 1000;
    background-color: #000;
}
.loader {
    transform: translate(-50%, -50%);
    top: 50%;
    left: 50%;
    position: absolute;
}
.loader img {
    animation: opacityAnimation 3s ease-in-out infinite;
    width: 13rem;
}
@keyframes opacityAnimation {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: .1;
    }
}