@keyframes bounce {
    0%   { transform: scale(1,1)    translateY(0); }
    10%  { transform: scale(1.1,.9) translateY(0); }
    30%  { transform: scale(.9,1.1) translateY(-40px); }
    50%  { transform: scale(1,1)    translateY(30px); }
    57%  { transform: scale(1,1)    translateY(-7px); }
    64%  { transform: scale(1,1)    translateY(0); }
    100% { transform: scale(1,1)    translateY(0); }
}