body { font-family: Arial, sans-serif; margin: 0; padding: 0; background: #fff; color: #333; }
.header { padding: 20px; background: #f0f0f0; text-align: center; position: relative; }
.session-controls { position: absolute; top: 20px; right: 20px; }
#session-timer { font-weight: bold; margin-right: 10px; }
#pause-button { padding: 5px 10px; }
footer { text-align: center; padding: 10px; font-size: 0.8em; color: #777; position: fixed; bottom: 0; width: 100%; background: #f9f9f9; }