html.light {
    --sponsor-logo-color: black;
  }
  
  html.dark {
    --sponsor-logo-color: white;
  }
  
  .sponsorbox .sponsor {
      margin: 20px auto 0 auto;
      text-align: center;
    }
  
  .sponsorbox svg {
    max-width: 150px;
    margin-right: auto;
    margin-left: auto;
  }