.tada {
    animation-name: tada;
    animation-duration: 1s;
    animation-delay: 0s;
    animation-fill-mode: both;
    animation-iteration-count: infinite;
}

@keyframes tada{
0% {
    transform: scale(1);
}
10%, 20% {
    transform: scale(0.9) rotate(-3deg);
}
30%, 50%, 70%, 90% {
    transform: scale(1.1) rotate(3deg);
}
40%, 60%, 80% {
    transform: scale(1.1) rotate(-3deg);
}
100% {
    transform: scale(1) rotate(0);
}}
.baolixi {
    position: fixed;
    right: 20px;
    bottom: 30%;
    display: block;
    width: 3%;
    text-align: right;
    z-index: 999;
}

@media screen and (max-width:480px){
.baolixi {
   
    width: 17% !important;
    
}
}