tabler/demo/dist/css/libs/tinymce/skins/content/writer/content.css

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.4;
  margin: 1rem auto;
  max-width: 900px;
}
table {
  border-collapse: collapse;
}
/* Apply a default padding if legacy cellpadding attribute is missing */
table:not([cellpadding]) th,
table:not([cellpadding]) td {
  padding: 0.4rem;
}
/* Set default table styles if a table has a positive border attribute
   and no inline css */
table[border]:not([border="0"]):not([style*="border-width"]) th,
table[border]:not([border="0"]):not([style*="border-width"]) td {
  border-width: 1px;
}
/* Set default table styles if a table has a positive border attribute
   and no inline css */
table[border]:not([border="0"]):not([style*="border-style"]) th,
table[border]:not([border="0"]):not([style*="border-style"]) td {
  border-style: solid;
}
/* Set default table styles if a table has a positive border attribute
   and no inline css */
table[border]:not([border="0"]):not([style*="border-color"]) th,
table[border]:not([border="0"]):not([style*="border-color"]) td {
  border-color: #ccc;
}
figure {
  display: table;
  margin: 1rem auto;
}
hr {
  border-color: #ccc;
  border-style: solid;
  border-width: 1px 0 0 0;
}
code {
  background-color: #e8e8e8;
  border-radius: 3px;
  padding: 0.1rem 0.2rem;
}