@-webkit-keyframes roll {
from { -webkit-transform: rotate(0deg) }
to   { -webkit-transform: rotate(360deg) }
}

@-o-keyframes roll {
from { -moz-transform: rotate(0deg) }
to   { -moz-transform: rotate(360deg) }
}

@-moz-keyframes roll {
from { -moz-transform: rotate(0deg) }
to   { -moz-transform: rotate(360deg) }
}

@keyframes roll {
from { transform: rotate(0deg) }
to   { transform: rotate(360deg) }
}

body {
-moz-animation-name: roll;
-moz-animation-duration: 4s;
-moz-animation-iteration-count: 1;
-o-animation-name: roll;
-o-animation-duration: 4s;
-o-animation-iteration-count: 1;
-webkit-animation-name: roll;
-webkit-animation-duration: 4s;
-webkit-animation-iteration-count: 1;
}