Estilos y HTML OV Preloader - OV DIVI

// Agregar estilos
function add_ov_preloader_styles() {
    if (isset($_GET['et_fb'])) {
        return;
    }
    ?>
    <style>
        .ov-preloader-background {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #ffffff; /* color fondo preloader */
            z-index: 999998;
            opacity: 1;
            transition: opacity 1s ease;
        }
        .ov-preloader-background.fade-out {
            opacity: 0;
        }
        .ov-preloader {
            position: fixed;
            width: 100%;
            height: 100vh;
            display: flex;
            z-index: 999999;
        }
        .ov-preloader-section {
            position: relative;
            width: 20%;
            height: 100%;
            background: #000000; /* color fondo transición preloader */
            transform: translateY(0);
            transition: transform 1s cubic-bezier(0.7, 0, 0.3, 1);
        }
        .ov-preloader.ov-loaded .ov-preloader-section:nth-child(1) { transform: translateY(-100%); transition-delay: 0s; }
        .ov-preloader.ov-loaded .ov-preloader-section:nth-child(2) { transform: translateY(-100%); transition-delay: 0.2s; }
        .ov-preloader.ov-loaded .ov-preloader-section:nth-child(3) { transform: translateY(-100%); transition-delay: 0.4s; }
        .ov-preloader.ov-loaded .ov-preloader-section:nth-child(4) { transform: translateY(-100%); transition-delay: 0.6s; }
        .ov-preloader.ov-loaded .ov-preloader-section:nth-child(5) { transform: translateY(-100%); transition-delay: 0.8s; }
        .ov-loading-container {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 10000;
            color: white;
            text-align: center;
        }
        .ov-loading-progress {
            font-size: 3rem;
            font-weight: 300;
            color: #ffffff; /* color contador */
            letter-spacing: 2px;
            opacity: 1;
            transition: opacity 0.5s ease;
        }
        .ov-preloader.ov-loaded .ov-loading-container {
            opacity: 0;
        }
    </style>
    <?php
}
add_action('wp_head', 'add_ov_preloader_styles');

// Agregar HTML del preloader
function add_ov_preloader_html() {
    if (isset($_GET['et_fb'])) {
        return;
    }
    ?>
    <!-- Preloader -->
    <div class="ov-preloader-background"></div>
    <div class="ov-preloader">
        <div class="ov-preloader-section"></div>
        <div class="ov-preloader-section"></div>
        <div class="ov-preloader-section"></div>
        <div class="ov-preloader-section"></div>
        <div class="ov-preloader-section"></div>
        <div class="ov-loading-container">
            <div class="ov-loading-progress">0%</div>
        </div>
    </div>
    <?php
}
add_action('wp_body_open', 'add_ov_preloader_html');