.htmlbox-block {
  max-width: 100%;
  box-sizing: border-box;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.htmlbox-text {
  max-width: 100%;
  line-height: 1.5;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.htmlbox-block * {
  max-width: 100%;
  box-sizing: border-box;
}

.htmlbox-block img,
.htmlbox-block video,
.htmlbox-block iframe,
.htmlbox-block canvas,
.htmlbox-block svg {
  max-width: 100%;
  height: auto;
}

.htmlbox-block table {
  max-width: 100%;
  display: block;
  overflow-x: auto;
}

.htmlbox-block a,
.htmlbox-block code {
  word-break: break-word;
}

.htmlbox-block pre {
  max-width: 100%;
  overflow: auto;
}

.htmlbox-hook-displayLeftColumn,
.htmlbox-hook-displayRightColumn {
  max-width: 100%;
  overflow: hidden;
}

.htmlbox-hook-displayLeftColumn *,
.htmlbox-hook-displayRightColumn * {
  max-width: 100%;
  box-sizing: border-box;
}