.container{
    width: 100%;
    height: 100vh;
    position: relative;
    overflow: hidden;
}

.img{
    width: 100%;
    height: 100vh;
    position: absolute;
    animation: slide 25s infinite;
    opacity: 0;
}

@keyframes slide{
    10%{opacity: 1;}
    45%{opacity: 0;}
}

img:nth-child(0){animation-delay: 0s;}
img:nth-child(1){animation-delay: 5s;}
img:nth-child(2){animation-delay: 10s;}
img:nth-child(3){animation-delay: 15s;}
img:nth-child(4){animation-delay: 20s;}