Boa noite! Caros, Tentei sobrescrever as classes :
    .left.carousel-control,
    .right.carousel-control {
        background-image: none;
    }
    .navbar-brand {
        background: url('../images/Produtos/logo.png');
        width: 215px;
        height: 55px;
    }
    .navbar-inverse {
        background-color: #F8965D;
        border-color: white;
    }
porém só surte efeito quando entro em dev tools e seleciono a visualização para celular. segue a view carrossel.cshtml:
@{
    ViewData["Title"] = "Carrossel";
}
<div id="my-carousel" class="carousel slide" data-ride="carousel">
    <!-- Indicators -->
    <ol class="carousel-indicators">
        <li data-target="#my-carousel" data-slide-to="0" class="active"></li>
        <li data-target="#my-carousel" data-slide-to="1"></li>
        <li data-target="#my-carousel" data-slide-to="2"></li>
    </ol>
    <!-- Wrapper for slides -->
    <div class="carousel-inner" role="listbox">
        <div class="item active">
            <img alt="First slide" src="http://placehold.it/1200x675&text=First+slide">
            <div class="carousel-caption">
                <h3>Caption heading 1</h3>
                <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>
            </div>
        </div>
        <div class="item">
            <img alt="Second slide" src="http://placehold.it/1200x675&text=Second+slide">
            <div class="carousel-caption">
                <h3>Caption heading 2</h3>
                <p>Morbi eget libero quis metus consectetur semper.</p>
            </div>
        </div>
        <div class="item">
            <img alt="Third slide" src="http://placehold.it/1200x675&text=Third+slide">
            <div class="carousel-caption">
                <h3>Caption heading 3</h3>
                <p>Suspendisse ullamcorper massa eget eleifend iaculis.</p>
            </div>
        </div>
    </div>
    <!-- Controls -->
    <a class="left carousel-control" href="#my-carousel" role="button" data-slide="prev">
        <span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
        <span class="sr-only">Previous</span>
    </a>
    <a class="right carousel-control" href="#my-carousel" role="button" data-slide="next">
        <span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
        <span class="sr-only">Next</span>
    </a>
</div>
OBS.: Limpei o cache e até instalei o firefox que eu não tinha.. xD
Desde já, agradeço!