safekat/httpdocs/themes/focus2/scss/layout/version-dark/_dark-header.scss

[data-theme-version="dark"] {
    
    .header {
        background-color: $primary;
    }

    .header-left {
        input {
            border-color: transparent;
            color: $white;

            &:focus {
                box-shadow: none;
                border-color: $primary;
            }

            &::placeholder {
                color: $white;
            }
        }
    }

    .header-right {
        .dropdown {
            .nav-link {
                &:hover {
                    color: $white;
                }
            }
        }

        .notification_dropdown {
            .dropdown-item {
                a {
                    color: $white;
                }
            }
        }
    }

}