.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  margin: 1em 0;
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.md-header__button.md-logo img {
  filter: invert(1);
}

[data-md-color-primary="custom"] {
  --md-primary-fg-color: #424242;
  --md-primary-fg-color--light: #616161;
  --md-primary-fg-color--dark: #212121;
  --md-primary-bg-color: #ffffff;
  --md-primary-bg-color--light: #ffffffb3;
}