Popsu-coloque/web/core/themes/claro/css/components/tableselect.css

/*
 * DO NOT EDIT THIS FILE.
 * See the following change record for more information,
 * https://www.drupal.org/node/2815083
 * @preserve
 */

/**
 * @file
 * Table select — replaces implementation of Classy theme.
 *
 * @see tableselect.js
 */

td.checkbox,
th.checkbox {
  text-align: center;
}

[dir="rtl"] td.checkbox,
[dir="rtl"] th.checkbox {
  /* This is required to win over specificity of [dir="rtl"] td */
  text-align: center;
}

tr.selected td {
  background-color: #e6ecf8;
}