.slider-image, .slider-estatico {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slider-estatico {
    opacity: 1;
    z-index: 1;
}

.slider-image:nth-child(1) {
    animation: slideFade 15s infinite;
    animation-delay: 0s;
}

.slider-image:nth-child(2) {
    animation: slideFade 15s infinite;
    animation-delay: 5s;
}

.slider-image:nth-child(3) {
    animation: slideFade 15s infinite;
    animation-delay: 10s;
}

.slider-image:nth-child(4) {
    animation: slideFade 15s infinite;
    animation-delay: 15s;
}

.slider-image:nth-child(5) {
    animation: slideFade 15s infinite;
    animation-delay: 20s;
}


@keyframes slideFade {
    0% {
        opacity: 0;
    }

    5% {
        opacity: 1;
    }

    33% {
        opacity: 1;
    }

    38% {
        opacity: 0;
    }

    100% {
        opacity: 0;
    }
}