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h1{font-size:20px}.sensei-welcome-avatar{width:64px;height:64px;font-size:28px}.acoin-cost-hint{font-size:9px;line-height:1.5;padding:0 4px}.topic-tag{font-size:11px;padding:3px 8px}}@media (max-width:400px){.exam-mode-btn{font-size:14px!important}}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}