$size_site-main: 100%;
$size_site-sidebar: 25%;

$breakpoint_tablet: 37.5em;
$border-radius: 14px;
$box-shadow: rgba(149, 157, 165, 0.2) 0px 8px 24px;
$box-shadow-dark: 0 3px 4px 0 rgba(0, 0, 0, 0.14),
                    0 1px 8px 0 rgba(0, 0, 0, 0.12),
                    0 3px 3px -2px rgba(0, 0, 0, 0.4);
