html, body{
  height: 100%;
  padding: 0;
  margin: 0;
  overflow:hidden;
}

body {
  font-size: .875rem;
  color: #4a4a4a;
  background-color: #f9f9f9;
}

#left-file-config, #right-file-config, #output-controls {
  display: none;
}

.accordion>.card .card-header {
  margin-bottom: 0px;
}

.accordion>.card:first-of-type {
  border-bottom: 1px solid rgba(0,0,0,.125);;
  border-bottom-right-radius: .25rem;
  border-bottom-left-radius: .25rem;
}