@-moz-keyframes roll {
    100% {
	   -moz-transform: rotate(360deg);
    }
}
@-o-keyframes roll {
    100% {
	   -o-transform: rotate(360deg);
    }
}
@-webkit-keyframes roll {
    100% {
	   -webkit-transform: rotate(360deg);
    }
}
body {  
    -moz-animation-duration: 4s;  
    -moz-animation-name: roll;  
    -moz-animation-iteration-count: 1;
    -webkit-animation-duration: 4s;  
    -webkit-animation-name: roll;  
    -webkit-animation-iteration-count: 1;
    -o-animation-duration: 4s;  
    -o-animation-name: roll;  
    -o-animation-iteration-count: 1;  
}