.theme-amp .visual-amp { display: block; padding-top: 28px; }
.theme-amp .amp {
  width: 460px; height: 238px; margin: 0 auto; background: #211717; border: 4px solid #734343;
  position: relative; box-shadow: inset 0 0 0 7px #100909, 0 14px 28px rgba(0,0,0,.45);
}
.theme-amp .amp-display {
  width: 270px; height: 66px; line-height: 66px; background: #090909; border: 3px solid #552929;
  color: #ff796b; font-size: 28px; letter-spacing: 3px; text-align: center; position: absolute; left: 92px; top: 32px;
}
.theme-amp .amp-knob { width: 74px; height: 74px; border-radius: 50%; background: #2e2e35; border: 8px solid #111116; position: absolute; bottom: 30px; }
.theme-amp .knob-left { left: 76px; }
.theme-amp .knob-right { right: 76px; }
.theme-amp .amp-knob:after { content: ''; position: absolute; left: 28px; top: 4px; width: 4px; height: 24px; background: #d9c8a6; }
.theme-amp .amp-led { width: 16px; height: 16px; background: #3a1515; border-radius: 50%; position: absolute; right: 34px; top: 36px; }
.theme-amp.playing .amp-led { background: #ff3333; box-shadow: 0 0 12px #ff3333; }
.theme-amp.playing .knob-right { animation: spin 5s linear infinite; }