/* Bounces animate with the "bounce" class */
.bounce-infinite {
    display: inline-block;
    position: relative;
    -moz-animation: bounce 0.5s infinite linear;
    -o-animation: bounce 0.5s infinite linear;
    -webkit-animation: bounce 0.5s infinite linear;
    animation: bounce 0.5s infinite linear;
}

.bounce-once {
    display: inline-block;
    position: relative;
    -moz-animation: bounce 0.3s normal linear;
    -o-animation: bounce 0.3s normal linear;
    -webkit-animation: bounce 0.3s normal linear;
    animation: bounce 0.3s normal linear;
}

@-webkit-keyframes bounce {
    0% {
        top: 0;
    }

    50% {
        top: -0.2em;
    }

    70% {
        top: -0.3em;
    }

    100% {
        top: 0;
    }
}

@-moz-keyframes bounce {
    0% {
        top: 0;
    }

    50% {
        top: -0.2em;
    }

    70% {
        top: -0.3em;
    }

    100% {
        top: 0;
    }
}

@-o-keyframes bounce {
    0% {
        top: 0;
    }

    50% {
        top: -0.2em;
    }

    70% {
        top: -0.3em;
    }

    100% {
        top: 0;
    }
}

@-ms-keyframes bounce {
    0% {
        top: 0;
    }

    50% {
        top: -0.2em;
    }

    70% {
        top: -0.3em;
    }

    100% {
        top: 0;
    }
}

@keyframes bounce {
    0% {
        top: 0;
    }

    50% {
        top: -0.2em;
    }

    70% {
        top: -0.3em;
    }

    100% {
        top: 0;
    }
}