WordPress - Custom Login Style - by Drika (WordPress Brasil)

//CSS -> crie um arquivo login.css e coloque na pasta do seu tema.

/* Custom Login Styles */
html {background:#D72007!important}
body {background:#D72007 url(images/bg-body.png); height:100%;}
#login { margin:0 auto 10.5em!important }

#login h1 a {   /* Title image (The "WordPress Logo"). Remember to update the height and width your image's dimensions */
    background:url(images/logomarca.png) 0 0 no-repeat;
    width:216px;
    height:234px;
    margin:0 auto;
    text-align:center;
}

.button-primary { background:#D72007!important; border-color:#F60!important; }
body form .input { color:#d72007!important}


//PHP -> Coloque no arquivo functions.php

//custom login
    add_action( 'login_head', 'custom_login' );
    function custom_login() { ?>
        <link media="all" type="text/css" href="<?php bloginfo( 'template_directory' ); ?>/login.css" rel="stylesheet">
    <?php }

    add_filter('login_headerurl', 'custom_wp_login_url');
    function custom_wp_login_url() {
        return bloginfo('url');
    }

    add_filter('login_headertitle', 'custom_wp_login_title');
    function custom_wp_login_title() {
        return get_option('blogname');
    }