#mztenno-pdf-viewer-container{
  display: flex;
  flex-direction: column;
  height: 50vh;
}

#mztenno-pdf-viewer-toolbar{
  align-items: center;
  background: #111;
  border-bottom: 1px solid #111;
  color: #fff;
  display: flex;
  flex-grow: 0;
  flex-shrink: 1;
  height: 50px;
  justify-content: center;
  padding: 0 1rem;
  width: 100%;
}
#mztenno-pdf-viewer-toolbar > button,
#mztenno-pdf-viewer-toolbar > select{
  background: rgba(255,255,255,.1);
  border: 0;
  border-radius: 2px;
  box-shadow: none;
  color: #fff;
  cursor: pointer;
  display: inline-block;
  font-size: 1.1rem;
  height: 30px;
  line-height: 32px;
  margin: 0 2px;
  outline: none;
  padding: 0 5px;
}

#mztenno-pdf-viewer{
  background: #333;
  border: 1px solid #333;
  min-height: 100px;
  overflow: auto;
  padding: 5px;
  position: relative;
  width: 100%;
}
#mztenno-pdf-viewer > *{
  background: #fff;
  display: block;
  margin: 1rem auto;
}
#mztenno-pdf-viewer > *:first-child{
  margin-top: 0;
}

#mztenno-class-details #mztenno-pdf-viewer-container{
  height: unset;
}
#mztenno-class-details #mztenno-pdf-viewer{
  height: unset;
  overflow-y: visible;
}