灯笼闪烁出现不了

/* all tag */

*{

margin: 0;

padding: 0;

border: none;

font-size: 1.5625vw;

font-family: "微软雅黑";

}

html,

body {

height: 100%;

}

/* music */

#music {

position: fixed;

top: 3vh;

right: 4vw;

z-index: 5;

width: 15vw;

height: 15vw;

border: 4px solid #ef1639;

border-radius: 50%;

background: #fff;

}

#music > img:first-of-type{

position: absolute;

top: 24%;

right: 2.5%;

width: 28.421%;

}

#music > img:last-of-type{

position: absolute;

top: 0;

right: 0;

bottom: 0;

left: 0;

margin: auto;

width: 79%;

}

/* page bg */

.page{

height: 100%;

}

.page > .bg {

position: absolute;

z-index: -1;

width: 100%;

height: 100%;

}

/* page1 */

#page1 > .bg{

background: url("../img/p1_bg.jpg") no-repeat center center;

background-size: 100%;

}

#page1 > .p1_lantern{

position: absolute;

top: -3.4%;

right: 0;

left: 0;

margin: auto;

background: url("../img/p1_lantern.png") no-repeat center bottom;

background-size: 100%;

width: 45vw;

height: 71.2vh;

font-size: 3.506rem;

padding-top: 31vh;

text-align: center;

-webkit-box-sizing: border-box;

  -moz-box-sizing: border-box;

   -ms-box-sizing: border-box;

    -o-box-sizing: border-box;

   box-sizing: border-box;

}

#page > .p1_lantern:before{

position: absolute;

top: 0;

right: 0;

bottom: 0;

left: 0;

z-index: -1;

content: "";

margin: auto;

width: 30vw;

height: 30vw;

background: #d60b3b;

opacity: .5;

border-radius: 50%;

-webkit-box-shadow: 0 0 10vw 10vw #d60b3b;

  -moz-box-shadow: 0 0 10vw 10vw #d60b3b;

   -ms-box-shadow: 0 0 10vw 10vw #d60b3b;

    -o-box-shadow: 0 0 10vw 10vw #d60b3b;

       box-shadow: 0 0 10vw 10vw #d60b3b;

}

/* page12 */

#page2 > .bg{

background: url("../img/p2_bg.jpg") no-repeat center center;

background-size: 100%;

}

/* page3 */

#page3 > .bg{

background: url("../img/p3_bg.jpg") no-repeat center center;

background-size: 100%;

}