.face {

    -webkit-animation-name: shake;
    -webkit-animation-duration: 1.5s;
    -webkit-animation-iteration-count: infinite;
    -webkit-animation-timing-function: linear;
    -webkit-animation-delay: 0s;
}

@keyframes shake {
    10%, 90% {
        transform: translate3d(-1px, 0, 0);
    }

    20%, 80% {
        transform: translate3d(2px, 0, 0);
    }

    30%, 50%, 70% {
        transform: translate3d(-4px, 0, 0);
    }

    40%, 60% {
        transform: translate3d(4px, 0, 0);
    }
}


/* setup tooltips 
.tooltiped {
  position: relative;
  z-index: 99;
}
.tooltiped:before,
.tooltiped:after {
    display: block;
    opacity: 0;
    pointer-events: none;
    position: absolute;
}
.tooltiped:after {
    border-right: 6px solid transparent;
    border-bottom: 6px solid rgba(0,0,0,.75); 
    border-left: 6px solid transparent;
    content: '';
    height: 0;
    top: 20px;
    left: 20px;
    width: 0;
}
.tooltiped:before {
    background: rgba(0,0,0,.75);
    border-radius: 2px;
    color: #fff;
    content: attr(data-title);
    font-size: 14px;
    padding: 6px 10px;
    top: 26px;
    white-space: nowrap;
}
.tooltiped.faded:after,
.tooltiped.faded:before {
    transform: translate3d(0,-10px,0);
    transition: all .15s ease-in-out;
}
.tooltiped.faded:hover:after,
.tooltiped.faded:hover:before {
    opacity: 1;
    transform: translate3d(0,0,0);
}
*/