#root-frame {}

.theme-default #bg {
  background: url("/static/img/textured_paper.png") repeat fixed center;
} 

.theme-default .top-bar {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 5px 30px 0 rgba(31, 38, 135, 0.1);
  backdrop-filter: blur(9.5px);
  -webkit-backdrop-filter: blur(9.5px);
}

.theme-default .op-bar {
  background: rgba(255, 255, 255, 1);
  box-shadow: 0 5px 30px 0 rgba(31, 38, 135, 0.1);
  backdrop-filter: blur(9.5px);
  -webkit-backdrop-filter: blur(9.5px);
}

.theme-default .container-center {
  margin: 2rem auto auto auto;
  width: 96%;
  max-width: 80rem;
  z-index: 9;
}

.theme-default #tail {
  color: #34495e;
}