.customize-section-heading .customize-control-title {
    display: flex;
    align-items: center;
    margin: 10px 0;
    text-transform: uppercase;
    font-weight: bold;
}

span.customize-control-title:after {
    content: '';
    height: 6px;
    background: #1d2c33;
    flex-grow: 1;
    margin-left: 10px;
}

span.customize-control-title:before {
    content: '';
    height: 6px;
    background: #1d2c33;
    width: 10px;
    margin-right: 10px;
}