\documentclass[14pt,a4paper]{article}
\usepackage[english, russian] {babel}
\usepackage[14pt]{extsizes}
\usepackage{setspace}
\onehalfspacing
\usepackage[utf8]{inputenc}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{indentfirst}
\usepackage{amssymb}
\usepackage{natbib}
\usepackage{makeidx}
\usepackage[usenames]{color}
\usepackage{colortbl}
\usepackage[backend=biber,bibencoding=utf8, style=apa]{biblatex}
\addbibresource{lit.bib}
\usepackage{multirow}
\usepackage{hyperref}
\usepackage[usenames,dvipsnames,svgnames,table,rgb]{xcolor}
\hypersetup{
unicode=true,
pdftitle={Заголовок},
pdfauthor={Автор},
pdfsubject={Тема},
pdfcreator={Создатель},
pdfproducer={Производитель},
pdfkeywords={keyword1} {key2} {key3},
colorlinks=true,
linkcolor=black,
citecolor=black,
filecolor=magenta,
urlcolor=blue
}
\usepackage[left=30mm, right=20mm, top=30mm, bottom=40mm]{geometry}
