body {
    background-color: var(--main-color);
  }
  .center {
      position: absolute;
      margin: auto;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
  }
  .loader {
      border: 4px solid #fff;
      border-top: 4px solid var(--main-color);
      border-radius: 50%;
      width: 32px;
      height: 32px;
      animation: 2s linear infinite spin;
      alignment: center;
      padding: 32px;
      margin-top: 32px;
      margin-left: auto;
      margin-right: auto;
  }
  @keyframes spin {
      0% {
          transform: rotate(0);
      }
      100% {
          transform: rotate(360deg);
      }
  }
  .vertical-center {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
  }
  #logo:before {
      content: url("logo.svg");
  }

  .android-native-app-banner {
      box-sizing: border-box;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 2147483647;
      width: 100%;
      display: flex;
      align-items: center;
      gap: 4px;
      min-height: 56px;
      padding: 8px 8px 8px 0;
      background-color: var(--android-banner-bg, var(--banner-cta, #307fe2));
      color: #fff;
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      font-size: 14px;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
  }

  .android-native-app-banner[hidden] {
      display: none !important;
  }

  .android-native-app-banner__close {
      flex-shrink: 0;
      align-self: stretch;
      display: flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      min-width: 32px;
      max-width: 32px;
      margin: 0;
      padding: 0;
      border: none;
      background: transparent;
      color: rgba(255, 255, 255, 0.75);
      font-size: 20px;
      line-height: 1;
      font-weight: 300;
      cursor: pointer;
  }

  .android-native-app-banner__icon {
      flex-shrink: 0;
      width: 48px;
      height: 48px;
      border-radius: 11px;
      object-fit: cover;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
  }

  .android-native-app-banner__text {
      flex: 1 1 0;
      min-width: 0;
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 2px;
      line-height: 1.2;
      padding: 0 4px;
  }

  .android-native-app-banner__title {
      font-size: 14px;
      font-weight: 600;
      color: #fff;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
  }

  .android-native-app-banner__subtitle {
      font-size: 12px;
      font-weight: 400;
      color: rgba(255, 255, 255, 0.88);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
  }

  a.android-native-app-banner__install {
      flex-shrink: 0;
      display: inline-flex !important;
      align-items: center;
      justify-content: center;
      margin: 0;
      padding: 8px 16px !important;
      min-height: 36px;
      border-radius: 999px !important;
      border: none !important;
      background-color: var(--banner-install-bg, #ffffff) !important;
      color: var(--banner-install-fg, #00205b) !important;
      font-size: 15px !important;
      font-weight: 600 !important;
      text-decoration: none !important;
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
      cursor: pointer;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25) !important;
      -webkit-tap-highlight-color: transparent;
  }

  a.android-native-app-banner__install:active {
      opacity: 0.92;
  }