.twnnBootSplash {
  position: fixed;
  inset: 0;
  z-index: 99999;

  display: flex;
  align-items: center;
  justify-content: center;

  background: rgba(20, 22, 24, 0.88);
  backdrop-filter: blur(3px);
}

.twnnBootSplash[hidden] {
  display: none;
}

.twnnBootPanel {
  width: min(520px, calc(100vw - 32px));
  padding: 24px;

  background: #1f2225;
  border: 1px solid #444;
  border-radius: 10px;

  box-shadow:
    0 18px 60px rgba(0, 0, 0, 0.45);

  color: #adb5bd;

  font-family:
    "Segoe UI",
    sans-serif;
}

.twnnBootPanel h1 {
  margin: 0 0 20px;
  font-size: 1.4rem;
}

.twnnBootPanel label {
  display: block;
  margin: 14px 0 6px;
}

.twnnBootPanel select,
.twnnBootPanel button {
  width: 100%;
  box-sizing: border-box;
}

.twnnBootPanel select {
  padding: 8px 10px;
}

.twnnBootButton {
  margin-top: 20px;
  padding: 9px 12px;
  cursor: pointer;
}