.la-ball-fall,
.la-ball-fall > div {
    position: relative;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

.la-ball-fall {
    display: block;
    font-size: 0;
    color: #00AC93 !important;
}

    .la-ball-fall.la-dark {
        color: #333;
    }

    .la-ball-fall > div {
        display: inline-block;
        float: none;
        background-color: currentColor;
        border: 0 solid currentColor;
    }

.la-ball-fall {
    width: 54px;
    height: 18px;
}

    .la-ball-fall > div {
        width: 10px;
        height: 10px;
        margin: 4px;
        border-radius: 100%;
        opacity: 0;
        -webkit-animation: ball-fall 1s ease-in-out infinite;
        -moz-animation: ball-fall 1s ease-in-out infinite;
        -o-animation: ball-fall 1s ease-in-out infinite;
        animation: ball-fall 1s ease-in-out infinite;
    }

        .la-ball-fall > div:nth-child(1) {
            -webkit-animation-delay: -200ms;
            -moz-animation-delay: -200ms;
            -o-animation-delay: -200ms;
            animation-delay: -200ms;
        }

        .la-ball-fall > div:nth-child(2) {
            -webkit-animation-delay: -100ms;
            -moz-animation-delay: -100ms;
            -o-animation-delay: -100ms;
            animation-delay: -100ms;
        }

        .la-ball-fall > div:nth-child(3) {
            -webkit-animation-delay: 0ms;
            -moz-animation-delay: 0ms;
            -o-animation-delay: 0ms;
            animation-delay: 0ms;
        }

    .la-ball-fall.la-sm {
        width: 26px;
        height: 8px;
    }

        .la-ball-fall.la-sm > div {
            width: 4px;
            height: 4px;
            margin: 2px;
        }

    .la-ball-fall.la-2x {
        width: 108px;
        height: 36px;
    }

        .la-ball-fall.la-2x > div {
            width: 20px;
            height: 20px;
            margin: 8px;
        }

    .la-ball-fall.la-3x {
        width: 162px;
        height: 54px;
    }

        .la-ball-fall.la-3x > div {
            width: 30px;
            height: 30px;
            margin: 12px;
        }

/*
 * Animation
 */
@-webkit-keyframes ball-fall {
    0% {
        opacity: 0;
        -webkit-transform: translateY(-145%);
        transform: translateY(-145%);
    }

    10% {
        opacity: .5;
    }

    20% {
        opacity: 1;
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }

    80% {
        opacity: 1;
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }

    90% {
        opacity: .5;
    }

    100% {
        opacity: 0;
        -webkit-transform: translateY(145%);
        transform: translateY(145%);
    }
}

@-moz-keyframes ball-fall {
    0% {
        opacity: 0;
        -moz-transform: translateY(-145%);
        transform: translateY(-145%);
    }

    10% {
        opacity: .5;
    }

    20% {
        opacity: 1;
        -moz-transform: translateY(0);
        transform: translateY(0);
    }

    80% {
        opacity: 1;
        -moz-transform: translateY(0);
        transform: translateY(0);
    }

    90% {
        opacity: .5;
    }

    100% {
        opacity: 0;
        -moz-transform: translateY(145%);
        transform: translateY(145%);
    }
}

@-o-keyframes ball-fall {
    0% {
        opacity: 0;
        -o-transform: translateY(-145%);
        transform: translateY(-145%);
    }

    10% {
        opacity: .5;
    }

    20% {
        opacity: 1;
        -o-transform: translateY(0);
        transform: translateY(0);
    }

    80% {
        opacity: 1;
        -o-transform: translateY(0);
        transform: translateY(0);
    }

    90% {
        opacity: .5;
    }

    100% {
        opacity: 0;
        -o-transform: translateY(145%);
        transform: translateY(145%);
    }
}

@keyframes ball-fall {
    0% {
        opacity: 0;
        -webkit-transform: translateY(-145%);
        -moz-transform: translateY(-145%);
        -o-transform: translateY(-145%);
        transform: translateY(-145%);
    }

    10% {
        opacity: .5;
    }

    20% {
        opacity: 1;
        -webkit-transform: translateY(0);
        -moz-transform: translateY(0);
        -o-transform: translateY(0);
        transform: translateY(0);
    }

    80% {
        opacity: 1;
        -webkit-transform: translateY(0);
        -moz-transform: translateY(0);
        -o-transform: translateY(0);
        transform: translateY(0);
    }

    90% {
        opacity: .5;
    }

    100% {
        opacity: 0;
        -webkit-transform: translateY(145%);
        -moz-transform: translateY(145%);
        -o-transform: translateY(145%);
        transform: translateY(145%);
    }
}