.cssanimation, .cssanimation span {
    animation-duration: 1s;
    animation-fill-mode: both;
}

.cssanimation span { display: inline-block }

.lePeek span { animation-name: lePeek }
@keyframes lePeek {
    25% {  transform: rotateX(30deg) translateY(10px) rotate(-13deg); }
    50% { 
        /* transform: translateY(-22px) rotate(3deg) scale(1.1);   */
        transform: translateY(-12px) rotate(3deg) scale(1.1);  
    }
}