.btn-login {
    background-color: #000 !important;
    border-color: #000 !important;
}
.btn-login:hover {
    background-color: rgba(0, 0, 0, .5) !important;
    border-color: rgba(0, 0, 0, .5) !important;
}
.form-control:focus {
    border-color: rgba(0, 0, 0, .5) !important;
}
.focused .input-group-text {
    color: #000 !important;
    border-color: rgba(0, 0, 0, .5)!important;
}