The following goes in the custom css section of the theme:

 

/* Active Menu Tab */
header .bottom-header .navbar-default .navbar-nav > .active > a, .dropdown-menu > .active > a {
background: none repeat scroll 0 0 #333333 !important;
}
/* End Active Menu Tab */
/* Menu Background Color */
#menu-item-266.menu-item{
background: #c7081b !important;
}
#menu-item-162.menu-item{
background: #c7081b !important;
}
#menu-item-196.menu-item{
background: #c7081b !important;
}
#menu-item-209.menu-item{
background: #c7081b !important;
}
#menu-item-228.menu-item{
background: #c7081b !important;
}
#menu-item-238.menu-item{
background: #c7081b !important;
}
#menu-item-252.menu-item{
background: #c7081b !important;
}
#menu-item-188.menu-item{
background: #19427e !important;
}
#menu-item-143.menu-item{
background: #c7081b !important;
}
.dropdown-menu {
background: #c7081b!important;
}
/* End Menu Background Color */
.navbar-nav {
float: none!important;
margin-left: auto!important;
margin-right: auto!important;
}
/* Background Texture – HomePage */
section.content, .car-block-wrap, .welcome-wrap {
background-image: url(“wp-content/uploads/2015/03/01.png”);
background-repeat: repeat;
background-position: center;
}
/* Background Texture – Everyone Else */
section.content, .car-block-wrap, .welcome-wrap {
background-image: url(“http://uticamack.com/wp-content/uploads/2015/03/01.png”);
background-repeat: repeat;
background-position: center;