@keyframes skeleton-loading{0%{background-color:#f5f5f5}50%{background-color:#fff}to{background-color:#f5f5f5}}.top-button{position:fixed;left:50%;width:40px;bottom:76px;height:40px;border-radius:20px;background-color:#fff;box-shadow:0 0 10px 0 rgba(0,0,0,.12);z-index:1000;transform:translateX(258px);cursor:pointer}@media (max-width:640px){.top-button{transform:translateX(0);left:calc(100% - 60px)}}.full-page-top-button{position:fixed;right:40px;bottom:40px;width:40px;height:40px;border-radius:20px;background-color:#fff;box-shadow:0 0 10px 0 rgba(0,0,0,.12);z-index:1000;cursor:pointer}