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p{text-align:center;max-width:22em;margin-inline:auto;font-size:4.5rem}.teacher-call-alert.is-fullscreen .teacher-call-alert-actions{justify-content:center}.teacher-call-alert.is-fullscreen button[aria-label]{position:absolute;top:28px;right:28px}@keyframes remote-announcement-arrive{0%{opacity:0;transform:translate(-50%,-50%)scale(.96)}to{opacity:1;transform:translate(-50%,-50%)scale(1)}}@keyframes teacher-call-scrim-arrive{0%{opacity:0}to{opacity:1}}@keyframes teacher-call-fullscreen-arrive{0%{opacity:0}to{opacity:1}}@media (max-width:680px){.teacher-call-launcher{right:14px;bottom:calc(14px + env(safe-area-inset-bottom));min-height:44px;padding:0 14px}.teacher-call-layer{align-items:end;padding:0}.teacher-call-panel{width:100%;max-height:calc(100dvh - 18px);padding:20px 18px calc(20px + env(safe-area-inset-bottom));border-radius:24px 24px 0 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