SASS Animations Mixin Sure crossplatform

_animations.scss

@include keyframes(bounce-around) {
    0% {
        transform: rotateZ(0deg) translate3d(0,10%,0) rotateZ(0deg);
    }
    100% {
       transform: rotateZ(360deg) translate3d(0,10%,0) rotateZ(-360deg);
    }
}

_mixins.scss

// Animation Mixins
@mixin keyframes($animation-name) {
    @-webkit-keyframes #{$animation-name} {
        @content;
    }
    @-moz-keyframes #{$animation-name} {
        @content;
    }  
    @-ms-keyframes #{$animation-name} {
        @content;
    }
    @-o-keyframes #{$animation-name} {
        @content;
    }  
    @keyframes #{$animation-name} {
        @content;
    }
}

@mixin animation($str) {
    -webkit-animation: #{$str};
    -moz-animation: #{$str};
    -ms-animation: #{$str};
    -o-animation: #{$str};
    animation: #{$str};      
}