ทำได้แล้วครับ
#page .kt-tabs-id_191800-75 > .kt-tabs-title-list li.kt-tab-title-active .kt-tab-title-1,
#page .kt-tabs-id_191800-75 > .kt-tabs-content-wrap > .kt-tabs-accordion-title.kt-tab-title-active .kt-tab-title-1 {
border-color: #ead61c;
background: #ead61c;
}
#page .kt-tabs-id_191800-75 > .kt-tabs-content-wrap > .wp-block-kadence-tab {
border-color: #000;
}