Mobile sharing icons that dock to the bottom of the device

functions.php

<?php
/**
 * Mobile share buttons
 *
 * @since 1.0.0
 */
function ja_share_buttons_mobile() {

	if ( !is_front_page() && ( is_page() || is_singular( 'post' ) )  ) :

	$msg   = get_the_title() . ' ' . get_permalink();
	$title = get_the_title();

	echo '<div class="share-buttons-mobile">';
		ea_share()->link( 'facebook' );
		ea_share()->link( 'twitter' );
		ea_share()->link( 'pinterest' );
		echo '<a class="email" href="mailto:?subject=' . $title . '&amp;body=' . $msg . '"><i class="fa fa-envelope"></i></a>';
		//echo '<a class="sms" href="sms:;body=' . $msg . '"><i class="fa fa-mobile"></i></a>';
		//echo '<a class="sms sms-share" data-msg="' . esc_attr( get_the_title() . ' ' . get_permalink() ) . '"><i class="fa fa-mobile"></i></a>';
	echo '</div>';

	endif;
}
add_action( 'genesis_after', 'ja_share_buttons_mobile', 20 );

style.css

/* Mobile share buttons
---------------------------------------------------------------------------------------------------- */

.share-buttons-mobile {
	background-color: #fff;
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
	height: 100px;
	border-top: 1px solid #eee;
	-webkit-transform: translateZ(0);
	transform: translateZ(0);
	box-shadow: 0px -3px 3px 0px rgba(0,0,0,0.12);
	text-align: center;
	height: 54px;
	padding: 2px;
	display: none;
}

.share-buttons-mobile a {
	display: inline-block;
	/*width: 18%;*/
	width: 23%;
	text-align: center;
	background-color: #bbb;
	margin: 0 2px;
	border-radius: 4px;
	color: #fff;
	font-size: 24px;
	height: 50px;
	line-height: 50px;
}

.share-buttons-mobile a.facebook {
	background-color: #3b5998;
}

.share-buttons-mobile a.twitter {
	background-color: #55acee;
}

.share-buttons-mobile a.pinterest {
	background-color: #bd081c;
}

.share-buttons-mobile a.email {
	background-color: #999;
}

.share-buttons-mobile .ea-share-count,
.share-buttons-mobile .ea-share-count-label {
	display: none;
}

@media only screen and (max-width: 600px) {

	.share-buttons-mobile {
		display: block;
	}
}