.customize-section-heading {
    padding: 14px 20px 14px 10px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    background: #efefef52;
    margin: -16px -20px 0;
    border-bottom: 1px solid #f1f1f1;
    color: #2271b1;
}

.customize-section-heading .customize-control-title {
    margin: 0;
    font-size: 12px;
    letter-spacing: 2px;
    color: #2271b1;
    font-weight: 500;
    line-height: 1.3;
}