@luismarioochoa:
1)To center the logo
-create div for both social icons(social-icons)
<div id="social-icons" class="social-icons">
<a href="https://www.facebook.com/BloomRestaurantToronto/"><img src="http://bloomrestaurant.com/wp-content/uploads/2018/07/facebook-e1532482480174.png"></a>
</a>
<a href="https://twitter.com/bloomrestaurant"><img src="http://bloomrestaurant.com/wp-content/uploads/2018/07/twitter-e1532482445370.png"></a>
</div>
Go to = Appearance => Customize =>Additional CSS add following CSS code.
.social-icons{
text-align:center;
}`
2)To change the color of copyright
<strong> Go to => Appearance => Customize =>Additional CSS</strong> add following CSS code.
#site-generator .copyright {
color: blue
}
you can change the color according to your requirement.
Kind Regards,
Sapana