/* 亮光 */

.light {
    width: 100%;
    text-align: center;
    font-size: 2rem;
    overflow: hidden;
    display: block;
    position: relative;
}

.light:after {
    content: "";
    display: block;
    position: absolute;
    left: -100%;
    top: 0;
    width: 50%;
    height: 100%;
    background: -webkit-linear-gradient(left, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, .8) 100%);
    background: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, .8) 100%);
    -webkit-transform: skewX(-25deg);
    transform: skewX(-25deg);
    animation: light 2.5s infinite ease;
}

@keyframes light {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}


/* 跳跳按鈕 */

.bounce {
    display: block;
    animation: bounce 1.2s infinite ease;
    animation-fill-mode: both;
}

@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);
    }
}


/* 放大縮小 */

.scale {
    animation: scale 1.75s infinite ease-in-out;
}

@keyframes scale {
    0% {
        scale: .95;
    }
    50% {
        scale: 1;
    }
    100% {
        scale: .95;
    }
}


/* 搖晃 */

.shake {
    animation: shake 1.25s infinite steps(1);
}

@keyframes shake {
    0% {
        rotate: 8deg;
    }
    50% {
        rotate: -7deg;
    }
    100% {
        rotate: 8deg;
    }
}