h1 {
  font-size:36px
}
h2 {
  font-size:30px
}
h3 {
  font-size:24px
}
h4 {
  font-size:20px
}
h5 {
  font-size:18px
}
h6 {
  font-size:16px
}
h1, h2, h3, h5, h6 {
  overflow: hidden;
  font-family:"Segoe UI",Arial,sans-serif;
  font-weight:400;
  margin:10px 0;
  padding:0 10px;
  border-radius: 4px;
  color:#fff !important;
  background-color:#818181 !important;
}

.ed-toc {
  border: 1px solid #444;
  border-radius: 8px;
  padding: 8px;
}
.ed-toc > header {
  font-size: 24px;
}

.ed-summary {
  border: 1px solid #444;
  border-left-width: 3px;
  border-radius: 8px;
  padding: 8px;
}
.ed-summary > header {
  font-size: 24px;
}