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/* Triple Header */
.site-header .title-area,
.header-image .site-header .wrap .title-area,
.site-header .header-widget-area {
    box-sizing: border-box;
    float: left;
    margin-left: 0;
    margin-right: 0;
    padding-left: 0;
    padding-right: 0;
    text-align: center;
    width: 33.333333333333%;
}

.header-image .site-header .wrap .title-area {
    background-position: center top;
}

.site-header .genesis-nav-menu {
    text-align: center;
    width: auto;
}

@media only screen and (max-width: 1140px) {

    .site-header .title-area,
    .header-image .site-header .wrap .title-area,
    .site-header .header-widget-area {
        width: 100%;
    }
}

<?php

//* Filter the header-right widget-area classes
add_filter( 'genesis_attr_header-widget-area', 'dynamik_genesis_attr_header_widget' );
function dynamik_genesis_attr_header_widget ( $attributes ) {

    $attributes['class'] = 'widget-area header-widget-area header-right';
    return $attributes;
}

//* Add markup for header-left widget-area
add_action( 'genesis_header', 'dynamik_header_left', 8 );
function dynamik_header_left() {

    if ( is_active_sidebar( 'header-left' ) ) {

        echo '<aside class="widget-area header-widget-area header-left">';

        add_filter( 'wp_nav_menu_args', 'genesis_header_menu_args' );
        add_filter( 'wp_nav_menu', 'genesis_header_menu_wrap' );
        dynamic_sidebar( 'header-left' );
        remove_filter( 'wp_nav_menu_args', 'genesis_header_menu_args' );
        remove_filter( 'wp_nav_menu', 'genesis_header_menu_wrap' );

        echo '</aside>';
    }
}

//* Register header-left widget-area
genesis_register_sidebar( array(
    'id'   => 'header-left',
    'name' => __( 'Header Left', 'dynamik-gen' ),
) );