.custom-html-style {
  max-width: 1000px;
  margin: 20px 0 50px;
}

.custom-html-style code, .custom-html-style pre {
  position: relative;
  background-color: #282c35 !important;
  color: #abb2bf;
  font-size: 14px;
  border-radius: 5px !important;
  overflow-x: auto;
}

.custom-html-style pre {
  box-shadow: 4px 5px 9px 5px rgba(50, 50, 50, 0.3);
}