.nav-back-rep {
    background:#3e899a!important;
    
}
.login{
background :#3e899a!important;
}
.ex-button-color{background-color:#3e899a !important; background-image:linear-gradient(to bottom, #38707d, #38707d) !important;}
/*.ex-button-color:hover {background-color:#505050 !important; background-image:linear-gradient(to bottom, #545454, #505050) !important;}*/