chrome-extensions-samples/functional-samples/ai.gemini-on-device/sidepanel/index.css

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica,
    Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
  color: #1f1f1f;
  background-color: #f2f2f2;
  font-size: 16px;
  padding: 8px;
}

input,
button,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

button {
  background: #333;
  color: white;
  border-radius: 8px;
  border: none;
  min-width: 100px;
  padding: 8px;
  margin: 16px 0;
  cursor: pointer;
}

button.primary {
  background: #333;
  color: white;
}

button.secondary {
  background: #ccc;
  color: black;
}

button[disabled] {
  background: #ddd;
  color: #aaa;
}

input[type='range'] {
  margin-top: 16px;
  accent-color: black;
}

textarea {
  --padding: 32px;
  width: calc(100% - var(--padding));
  max-width: calc(100% - var(--padding));
}

.text,
textarea {
  background-color: white;
  padding: 16px;
  border-radius: 16px;
  box-shadow: rgba(0, 0, 0, 0.16) 0px 1px 4px, rgb(51, 51, 51) 0px 0px 0px 3px;
  outline: none;
}

.blink {
  animation: 1s ease-in-out 1s infinite reverse both running blink;
}

@keyframes blink {
  25% {
    opacity: 0.5;
  }
  50% {
    opacity: 0;
  }
  75% {
    opacity: 0.5;
  }
}

[hidden] {
  display: none;
}