Rachit Sharma Rachit Sharma - 25 days ago 20
CSS Question

Cross-Fade between images with CSS in loop

I want to fade between images in a loop (like result here-jsfiddle.net/5M2PD) but purely through

CSS
, no
JavaScript
. I tried using key-frames but I wasn't successful. Please Help.

@keyframes cf3FadeInOut {
0% {
opacity:1;
}
45% {
opacity:1;
}
55% {
opacity:0;
}
100% {
opacity:0;
}
}

#cf3 img.top {
animation-name: cf3FadeInOut;
animation-timing-function: ease-in-out;
animation-iteration-count: infinite;
animation-duration: 10s;
animation-direction: alternate;
}

Answer

I have taken your fiddle as a base, and made it work without script.

updated demo

I needed to set an id to the HTML

<div class="fadein">
    <img id="f3" src="http://i.imgur.com/R7A9JXc.png">
    <img id="f2" src="http://i.imgur.com/D5yaJeW.png">
    <img id="f1" src="http://i.imgur.com/EUqZ1Er.png">
</div>

And the CSS is:

.fadein img {
    position:absolute;
    left:-65px;
    top:0;
    -webkit-animation-name: fade;
    -webkit-animation-iteration-count: infinite;
    -webkit-animation-duration: 6s;
    animation-name: fade;
    animation-iteration-count: infinite;
    animation-duration: 6s;
}

@-webkit-keyframes fade {
    0% {opacity: 0;}
    20% {opacity: 1;}
    33% {opacity: 1;}
    53% {opacity: 0;}
    100% {opacity: 0;}
}
@keyframes fade {
    0% {opacity: 0;}
    20% {opacity: 1;}
    33% {opacity: 1;}
    53% {opacity: 0;}
    100% {opacity: 0;}
}

#f1 {
    background-color: lightblue;
}
#f2 {
    -webkit-animation-delay: -4s;
    background-color: yellow;
}
#f3 {
    -webkit-animation-delay: -2s;
    background-color: lightgreen;
}

I am setting the keyframes to give aprox 1/3 of the time visible, with apropiate transitions. Then I set different delays for every image, so that they alternate. If you want full browser support, you will need more vendor prefixes. I have used -webkit- and bare property so that you get the idea.

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