WordPress | Custom "Edit" link visible only by administrators

edit-link.php

<style>
  a.edit {display:inline-block; text-transform:uppercase; color:#FFF; background-color:#000; padding:1em 2em; border-radius:0.1em; margin:2em; clear:both}
</style>

<?php
if ( current_user_can('manage_options') ) {
    $editlink = get_edit_post_link();
    echo '<a href="' . $editlink . '" class="edit">Edit</a>';
}
?>