.nav-back-rep {
    background:#272221 !important;
    
}
.login{
background :#0078a6 !important;
}
.ex-button-color{background-color:#272221 !important; background-image:linear-gradient(to bottom, #272221, #272221) !important;}
/*.ex-button-color:hover {background-color:#505050 !important; background-image:linear-gradient(to bottom, #545454, #505050) !important;}*/