css设置闪烁的阴影

-webkit-animation: mymove 5s infinite;
    /* Chrome, Safari, Opera */
    animation: mymove 5s infinite;

设置阴影的颜色和宽度

@-webkit-keyframes mymove {
    30% {
        box-shadow: 10px 20px 30px #99CCFF;
    }
}


/* Standard syntax */

@keyframes mymove {
    30% {
        box-shadow: 10px 20px 30px #99CCFF;
    }
}

设置出场延迟

    animation-delay: 1s;

设置透明度

    opacity: 0;
        opacity: 0.5;
        opacity: 1;