表-布局

/* Keyword values */
table-layout: auto;
table-layout: fixed;

/* Global values */
table-layout: inherit;
table-layout: initial;
table-layout: unset;

auto | fixed

<table>
  <tr><td>Ed</td><td>Wood</td></tr>
  <tr><td>Albert</td><td>Schweitzer</td></tr>
  <tr><td>Jane</td><td>Fonda</td></tr>
  <tr><td>William</td><td>Shakespeare</td></tr>
</table>

table {
  table-layout: fixed;
  width: 100px;
  border: 1px solid red;
}

td {
  border: 1px solid blue;
}