jitsi-meet/css/custom.css

p {
  margin-bottom: 24px !important;
}

ul {
  margin-bottom: 24px !important;
}

.md-header-nav__button.md-logo {
  margin: 0px !important;
  padding: 4px !important;
}

.md-header-nav__button.md-logo img {
  width: 40px !important;
  height: 40px !important;
}