The nav code
.navbar-inverse .navbar-inner {
background-color: #1b1b1b;
background-image: -moz-linear-gradient(top, #222222, #111111);
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#222222), to(#111111));
background-image: -webkit-linear-gradient(top, #222222, #111111);
background-image: -o-linear-gradient(top, #222222, #111111);
background-image: linear-gradient(to bottom, #222222, #111111);
background-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff222222', endColorstr='#ff111111', GradientType=0);
border-color: #252525;
}
the logo code
<div id="logo">
<a href="<?php echo esc_url( home_url( '/' ) ); ?>" title="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" rel="home">
<span><img src="https://www.overtips.com/wp-content/uploads/2013/06/logo.png" alt="football trading" /></span>
</a>
</div>