BootStrap4で画像を中央寄せ
<div class="container-fluid"> <div class="row"> <img src="~/images/Hoge.png" class="img-fluid d-block mx-auto" /> </div> </div>
<div class="container-fluid"> <div class="row"> <img src="~/images/Hoge.png" class="img-fluid d-block mx-auto" /> </div> </div>