[name="section-break"] {
  display: none;
}

.SectionBreak {
  border-bottom: 1px solid #aaa;
  text-align: center;
  line-height: 0.1em;
  margin: 10px 0 20px;

  &__label {
    background: #fff;
    padding: 0 10px;
  }

  &--unfocused:hover {
    cursor: default;
    border-radius: 2px;
    box-shadow: 0 0 0 3px #d2e3f7;
  }

  &--focused {
    cursor: default;
    border-radius: 2px;
    box-shadow: 0 0 0 3px #accef7;
  }
}

.SectionBreak {
  border-bottom: 1px solid #aaa;
  text-align: center;
  line-height: 0.1em;
  margin: 10px 0 20px;

  &__label {
    background: #fff;
    padding: 0 10px;
  }

  &--unfocused:hover {
    cursor: default;
    border-radius: 2px;
    box-shadow: 0 0 0 3px #d2e3f7;
  }

  &--focused {
    cursor: default;
    border-radius: 2px;
    box-shadow: 0 0 0 3px #accef7;
  }
}

Remove now unneeded CSS hack to hide toolbar button
Remove now unneeded CSS hack to hide toolbar button
