/* Hide settings on Settings > Reading page. 
The settings to hide are about posts per page for blog pages and feed, 
and include full text or excerpt option. */
.options-reading-php .form-table tr:nth-child(2),
.options-reading-php .form-table tr:nth-child(3),
.options-reading-php .form-table tr:nth-child(4) {
    display: none;
}