Preview:
 <button onClick={() => toggleShow(!show)} className={`navbar-toggler ${show ? '' : 'collapsed'}`} type="button" data-toggle="collapse" data-target="#navbarTogglerDemo01" aria-controls="navbarTogglerDemo01" aria-expanded={`${show ? 'false' : 'true'}`} aria-label="Toggle navigation">
        <span className="navbar-toggler-icon"></span>
      </button>
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