/* 按鈕閃光 S */
.light {
    width: 100%;
    text-align: center;
    font-size: 2rem;
    overflow: hidden;
    display: block;
    position: relative;
}

.light:after {
    content: "";
    display: block;
    position: absolute;
    left: -150%;
    top: 0;
    width: 50%;
    height: 100%;
    background: -webkit-linear-gradient(left, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.7) 100%);
    background: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.7) 100%);
    -webkit-transform: skewX(-25deg);
    transform: skewX(-25deg);
    animation: light 3s infinite ease-in-out;
}

@keyframes light {
    0% {
        left: -150%;
    }

    70% {
        left: 150%;
    }

    100% {
        left: 150%;
    }
}

/* 按鈕閃光 S */

/* 按鈕跳動-果凍 */
.bounce {
    animation: bounce 2s infinite ease-in-out;
}

@keyframes bounce {
    0% {
        transform: scale(1, 1) translate3d(0, 0, 0);
    }

    10% {
        transform: scale(1.05, .95) translate3d(0, 0, 0);
    }

    30% {
        transform: scale(.95, 1.05) translate3d(0, -8%, 0);
    }

    50% {
        transform: scale(1.02, .97) translate3d(0, 0, 0);
    }

    57% {
        transform: scale(1, 1) translate3d(0, -2%, 0);
    }

    64% {
        transform: scale(1, 1) translate3d(0, 0, 0);
    }

    100% {
        transform: scale(1, 1) translate3d(0, 0, 0);
    }
}

.shrink {
    animation: shrink 2s infinite linear;
}

@keyframes shrink {
    0% {
        transform: scale(1, 1);
    }

    50% {
        transform: scale(1.05, 1.05);
    }

    100% {
        transform: scale(1, 1);
    }
}

.float1 {
    animation: float 2s infinite;
}

.float2 {
    animation: float 2s .15s infinite;
}

.float3 {
    animation: float 2s .3s infinite;
}


@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(20px);
    }

    100% {
        transform: translateY(0px);
    }
}