Quote:
..want to make my post excerpts shorter..
Add this to your child theme’s functions.php
file.
function custom_excerpt_length($length) {
return 30;
}
add_filter('excerpt_length', 'custom_excerpt_length');
This limits excerpt length to 30 words. You can change it to suite your needs. Or, you can try this plugin – Advanced Excerpt
Just a suggestion, add this code to custom CSS to remove the bullets for social sharing icons on posts.
.wp-socializer ul li {
list-style: none;
list-style-type: none;
}