.bb-u *{box-sizing:border-box}.bb-u a{color:inherit;text-decoration:none}@media (max-width:760px){.bb-nav{position:static!important;max-width:100%!important;flex-direction:row!important;flex-wrap:wrap}.bb-nav>.bb-tab{width:auto!important;flex:1 1 auto}.bb-nav>.bb-navfoot{flex:1 1 100%}.bb-bar-hint{display:none!important}}@media (max-width:640px){.bb-pop-grid{grid-template-columns:minmax(0,1fr)!important}.bb-pop-art{display:none!important}.bb-pop{padding:22px 18px!important}.bb-chat-list{max-width:100%!important}}