JSFiddle - React, Tailwind, and code Playground

by OriginalEXE

HTML

<header class="header fullscreen">
    <div class="inner">
    </div>
</header>

CSS

.header {
    background: url( 'http://placehold.it/1920x1080' ) no-repeat center center;
    background-size: cover;
}

JavaScript

jQuery( function( $ ) {
   
    var $window = $( window ),
    $fullscreen = $( '.fullscreen' );
    
    function fullscreen_sekcije() {
    
        $fullscreen.children().height( $window.height() );
    
    }
    
    if ( $fullscreen.length ) {
    
        $( document ).ready( fullscreen_sekcije );
        $window.resize( fullscreen_sekcije );
    
    }
    
});