.markdown_editor {
  display: flex;
  padding: 20px;
}

.editor, .preview {
  width: 50%;
  padding: 10px;
  box-sizing: border-box;
}

.editor textarea {
  width: 100%;
  height: 100%;
  font-size: 16px;
}

.preview {
  border-left: 1px solid #ddd;
  overflow-y: auto;
}

#html-preview {
  border: 1px solid black;
  padding: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

table, th, td {
  border: 1px solid black;
}

th, td {
  padding: 10px;
  text-align: left;
}

blockquote {
    border-left: 2px solid #ccc;
    margin: 1em 0;
    padding-left: 1em;
    color: #555;
    font-style: italic;
}