moodle/admin/tool/task/styles.css

#page-admin-tool-task-scheduledtasks .task-class {
    display: block;
    padding: 0 0.5em;
    color: #888;
    font-size: 0.75em;
}

#page-admin-tool-task-scheduledtasks input[type=text]
    /*rtl:ignore*/
    direction: ltr;
}