Change Admin Icons and Admin Logo

function horton_login_logo() { ?>
    <style type="text/css">
        #login h1 a, .login h1 a {
            background-image: url(<?php echo get_field('logo','option')['url']; ?>);
        height:100px;
        width:300px;
        background-size: 300px 100px;
        background-repeat: no-repeat;
        padding-bottom: 10px;
        }
    </style>
<?php }
add_action( 'login_enqueue_scripts', 'horton_login_logo' );

function horton_login_logo_url() {
    return home_url();
}
add_filter( 'login_headerurl', 'horton_login_logo_url' );

add_action( 'admin_head', 'admin_css' );
function admin_css()
{
?>
	<style type="text/css">
		#wpadminbar #wp-admin-bar-wp-logo > .ab-item .ab-icon:before {
		color: transparent ;
		background: url('<?php echo get_field('icon','option')['url']; ?>') no-repeat scroll 0 0 / 100% auto;
		}
	</style>
<?php
}