Here is how it is implemented in your example :
@-webkit-keyframes rotation1{
from{-webkit-transform:rotate(0deg);-moz-transform:rotate(0deg);-ms-transform:rotate(0deg);-o-transform:rotate(0deg);transform:rotate(0deg)}
to{-webkit-transform:rotate(360deg);-moz-transform:rotate(360deg);-ms-transform:rotate(360deg);-o-transform:rotate(360deg);transform:rotate(360deg)}}
@-moz-keyframes rotation1{
from{-webkit-transform:rotate(0deg);-moz-transform:rotate(0deg);-ms-transform:rotate(0deg);-o-transform:rotate(0deg);transform:rotate(0deg)}
to{-webkit-transform:rotate(360deg);-moz-transform:rotate(360deg);-ms-transform:rotate(360deg);-o-transform:rotate(360deg);transform:rotate(360deg)}}
@-o-keyframes rotation1{
from{-webkit-transform:rotate(0deg);-moz-transform:rotate(0deg);-ms-transform:rotate(0deg);-o-transform:rotate(0deg);transform:rotate(0deg)}
to{-webkit-transform:rotate(360deg);-moz-transform:rotate(360deg);-ms-transform:rotate(360deg);-o-transform:rotate(360deg);transform:rotate(360deg)}}
.vector1{-moz-animation:rotation1 30s linear infinite;-o-animation:rotation1 30s linear infinite;-webkit-animation:rotation1 30s linear infinite;animation:rotation1 30s linear infinite}
But I don't see any interest (I would dare say it seem a bit strange...)in putting browser prefixed transform in an other browser specific keyframes.
It also lack a generic keyframes and IE10 support so this is how I implemented it :
@-webkit-keyframes rotation1{
from{-webkit-transform:rotate(0deg);}
to{-webkit-transform:rotate(360deg);}
}
@-moz-keyframes rotation1{
from{-moz-transform:rotate(0deg);}
to{-moz-transform:rotate(360deg);}
}
@-o-keyframes rotation1{
from{-o-transform:rotate(0deg);}
to{-o-transform:rotate(360deg);}
}
@keyframes rotation1{
from{transform:rotate(0deg);}
to{transform:rotate(360deg);}
}
.vector1{-moz-animation:rotation1 30s linear infinite;-o-animation:rotation1 30s linear infinite;-webkit-animation:rotation1 30s linear infinite;animation:rotation1 30s linear infinite}