.fling-minislide {width:516px; height:185px; overflow:hidden; position:relative; }
.fling-minislide img{ position:absolute; animation:fling-minislide 20s infinite; opacity:0; width: 100%; height: auto;}

@keyframes fling-minislide {25%{opacity:1;} 40%{opacity:0;}}
.fling-minislide img:nth-child(4){animation-delay:0s;}
.fling-minislide img:nth-child(3){animation-delay:5s;}
.fling-minislide img:nth-child(2){animation-delay:10s;}
.fling-minislide img:nth-child(1){animation-delay:15s;}