my animation css don't work on firefox and IE - css

Question

I found a code that use animation css. it works on chrome but in firefox and IE it sticks
this code create a great sky with cloud.
I shorted my code.
can somebody help me?
.sky {
-webkit-animation:sky_background 50s ease-out infinite;
-moz-animation:sky_background 50s ease-out infinite;
-o-animation:sky_background 50s ease-out infinite;
-webkit-transform:translate3d(0,0,0);
-moz-transform:translate3d(0,0,0);
-o-transform:translate3d(0,0,0);
}
.clouds_one
{
-webkit-animation:cloud_one 50s linear infinite;
-moz-animation:cloud_one 50s linear infinite;
-o-animation:cloud_one 50s linear infinite;
-webkit-transform:translate3d(0,0,0);
-moz-transform:translate3d(0,0,0);
-o-transform:translate3d(0,0,0)
}
#-webkit-keyframes cloud_one {
0% {left:0}
100% {left:-200%}
}
#-moz-keyframes cloud_one {
0% {left:0}
100% {left:-200%}
}

Answer 1

OK...you had some CSS errors (missing semi-colons) which might have been the original issue and were missing some vendor-prefixed declarations and, I think, some non-prefixed versions.
Howver, for completeness, I've given the full CSS in the Stack Snippet below.
Compiled in Codepen after using Autoprefixer which I highly recommend using.
Tested in Chrome 45, FF41b & IE Edge on W10.
.sky {
height: 580px;
background: #007fd5;
position: relative;
overflow: hidden;
-webkit-animation: sky_background 50s ease-out infinite;
-moz-animation: sky_background 50s ease-out infinite;
-o-animation: sky_background 50s ease-out infinite;
-webkit-transform: translate3d(0, 0, 0);
-moz-transform: translate3d(0, 0, 0);
-o-transform: translate3d(0, 0, 0);
float: right;
width: 100%;
padding: 0px 0px;
position: relative;
right: 0px
}
.clouds_one {
background: url('http://project.exceliran.com/ProjectForm/img/clouds/cloud_one.png');
position: absolute;
left: 0;
top: 0;
height: 100%;
width: 300%;
-webkit-animation: cloud_one 50s linear infinite;
-moz-animation: cloud_one 50s linear infinite;
-o-animation: cloud_one 50s linear infinite;
-webkit-transform: translate3d(0, 0, 0);
-moz-transform: translate3d(0, 0, 0);
-o-transform: translate3d(0, 0, 0);
-webkit-animation-name: bounce;
animation-name: bounce;
-webkit-animation-duration: 4s;
animation-duration: 4s;
-webkit-animation-iteration-count: 10;
animation-iteration-count: 10;
-webkit-animation-direction: alternate;
animation-direction: alternate;
-webkit-animation-timing-function: ease-out;
animation-timing-function: ease-out;
-webkit-animation-delay: 2s;
animation-delay: 2s;
}
.clouds_two {
background: url('http://project.exceliran.com/ProjectForm/img/clouds/cloud_two.png');
position: absolute;
left: 0;
top: 0;
height: 100%;
width: 300%;
-webkit-animation: cloud_two 75s linear infinite;
-moz-animation: cloud_two 75s linear infinite;
-o-animation: cloud_two 75s linear infinite;
-webkit-transform: translate3d(0, 0, 0);
-moz-transform: translate3d(0, 0, 0);
-o-transform: translate3d(0, 0, 0)
}
.clouds_three {
background: url('http://project.exceliran.com/ProjectForm/img/clouds/cloud_three.png');
position: absolute;
left: 0;
top: 0;
height: 100%;
width: 300%;
-webkit-animation: cloud_three 100s linear infinite;
-moz-animation: cloud_three 100s linear infinite;
-o-animation: cloud_three 100s linear infinite;
-webkit-transform: translate3d(0, 0, 0);
-moz-transform: translate3d(0, 0, 0);
-o-transform: translate3d(0, 0, 0)
}
#-webkit-keyframes sky_background {
0% {
background: #007fd5;
color: #007fd5
}
50% {
background: #007fd5;
color: #a3d9ff
}
100% {
background: #007fd5;
color: #007fd5
}
}
#-webkit-keyframes moon {
0% {
opacity: 0;
left: -200%;
-moz-transform: scale(0.5);
-webkit-transform: scale(0.5);
}
50% {
opacity: 1;
-moz-transform: scale(1);
left: 0%;
bottom: 250px;
-webkit-transform: scale(1);
}
100% {
opacity: 0;
bottom: 500px;
-moz-transform: scale(0.5);
-webkit-transform: scale(0.5);
}
}
#-webkit-keyframes cloud_one {
0% {
left: 0
}
100% {
left: -200%
}
}
#-webkit-keyframes cloud_two {
0% {
left: 0
}
100% {
left: -200%
}
}
#-webkit-keyframes cloud_three {
0% {
left: 0
}
100% {
left: -200%
}
}
#webdesign {
float: right;
width: 100%;
box-sizing: border-box;
padding: 20px;
}
#keyframes cloud_one {
0% {
left: 0
}
100% {
left: -200%
}
}
#keyframes cloud_two {
0% {
left: 0
}
100% {
left: -200%
}
}
#keyframes cloud_three {
0% {
left: 0
}
100% {
left: -200%
}
}
<div class="sky">
<div class="moon"></div>
<div class="clouds_one"></div>
<div class="clouds_two"></div>
<div class="clouds_three"></div>
</div>