.btn-warning { 
    color: #fff;
    background-color: #ec971f;
    border-color: #d58512;
} 
 
.btn-warning:hover, 
.btn-warning:focus, 
.btn-warning:active, 
.btn-warning.active, 
.open .dropdown-toggle.btn-warning { 
    color: #fff;
    background-color: #f0ad4e;
    border-color: #eea236;
} 
 
.btn-warning:active, 
.btn-warning.active, 
.open .dropdown-toggle.btn-warning { 
  background-image: none; 
}