Difficulty with animated presentations

As a developer with limited CSS experience, I am trying to create a CSS3 slideshow using only two images. After discovering some interesting code for this purpose, which can be found here, I decided to make a small change to the original code (specifically, I removed the #cf3 id selector for img .top):

.slide {
    position:absolute;
}   

@keyframes cf3FadeInOut {
    0% {
          opacity:1;

}           
45% {
    opacity:1;

}           
55% {       
    opacity:0;

}       
100% {  
    opacity:0;

}       

}

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

}

The first image is specified as 

<img class="slideshow top" src="img1.jpg">
. The second image is similar, but does not include the "top" class.

Despite all my other CSS functioning correctly on page load, the animation I implemented seems to be missing. Can anyone spot where I may have made a mistake?

htmlcss

Answer №1

Remember to include specific vendor prefixes when using CSS3 animations as the specification is still in draft form.

-webkit-animation-name: cf3FadeInOut;
-webkit-animation-timing-function: ease-in-out;
-webkit-animation-iteration-count: infinite;
-webkit-animation-duration: 10s;
-webkit-animation-direction: alternate;

-moz-animation-name: cf3FadeInOut;
-moz-animation-timing-function: ease-in-out;
-moz-animation-iteration-count: infinite;
-moz-animation-duration: 10s;
-moz-animation-direction: alternate;

-o-animation-name: cf3FadeInOut;
-o-animation-timing-function: ease-in-out;
-o-animation-iteration-count: infinite;
-o-animation-duration: 10s;
-o-animation-direction: alternate;

animation-name: cf3FadeInOut;
animation-timing-function: ease-in-out;
animation-iteration-count: infinite;
animation-duration: 10s;
animation-direction: alternate;

/* Ensure to define all keyframes for each prefix */
@-webkit-keyframes cf3FadeInOut { ... }
@-moz-keyframes cf3FadeInOut { ... }
@-o-keyframes cf3FadeInOut { ... }
@keyframes cf3FadeInOut { ... }

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