.blink {
    -moz-animation: bounce 2s infinite;
    -webkit-animation: bounce 2s infinite;
    animation: bounce 2s infinite;
    cursor: pointer;
}

@-moz-keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        -moz-transform: translateY(0);
        transform: translateY(0);
    }

    40% {
        -moz-transform: translateY(-30px);
        transform: translateY(-30px);
    }

    60% {
        -moz-transform: translateY(-15px);
        transform: translateY(-15px);
    }
}

@-webkit-keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }

    40% {
        -webkit-transform: translateY(-30px);
        transform: translateY(-30px);
    }

    60% {
        -webkit-transform: translateY(-15px);
        transform: translateY(-15px);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        -moz-transform: translateY(0);
        -ms-transform: translateY(0);
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }

    40% {
        -moz-transform: translateY(-30px);
        -ms-transform: translateY(-30px);
        -webkit-transform: translateY(-30px);
        transform: translateY(-30px);
    }

    60% {
        -moz-transform: translateY(-15px);
        -ms-transform: translateY(-15px);
        -webkit-transform: translateY(-15px);
        transform: translateY(-15px);
    }
}