$tabsCentered: false; // boolean -> true or false

// TABS FUNCTIONALLITY 
.tabs-container .tabs {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    @if( $tabsCentered ) {
        justify-content: center;
    }
}

.tabs-container .tab-content {
    display: none;
}

.tabs-container .tab-content.active {
    display: block;
    animation: justOpacity 1s;
}