Updated all long style names to be more compact

• Updated:
- all long style names to be more compact

app/javascript/gabsocial/components/sidebar_section_title.js

@@ -8,7 +8,7 @@ class SidebarSectionTitle extends React.PureComponent {
     const { children } = this.props
 
     return (
-      <div className={[_s.default, _s.py5, _s.px10, _s.mt10].join(' ')}>
+      <div className={[_s._, _s.py5, _s.px10, _s.mt10].join(' ')}>
         <Text color='tertiary'>
           {children}
         </Text>