*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;overflow:hidden;background:transparent;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased;-webkit-user-select:none;user-select:none}html.ball-window,html.ball-window body,html.ball-window #root{border-radius:30px;overflow:hidden;background:transparent!important}button{border:none;background:none;cursor:pointer;font-family:inherit}.overlay-scrollbar{scrollbar-width:thin;scrollbar-color:transparent transparent}.overlay-scrollbar:hover{scrollbar-color:rgba(0,0,0,.4) transparent}.overlay-scrollbar::-webkit-scrollbar{width:4px;height:4px}.overlay-scrollbar::-webkit-scrollbar-track{background:transparent}.overlay-scrollbar::-webkit-scrollbar-thumb{background:transparent;border-radius:4px;transition:background .2s ease}.overlay-scrollbar:hover::-webkit-scrollbar-thumb{background:#00000059}.overlay-scrollbar:hover::-webkit-scrollbar-thumb:hover{background:#0000008c}