.black-bubble {
    transform: translate(-50%, -50%) !important;
}

.black-bubble .stk-block-column .stk-block-column__content::after {
    content: "";
    height: 50px;
    width: 2px;
    background: var(--theme-palette-color-4);
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
}

.black-bubble.reverse .stk-block-column .stk-block-column__content::after {
    bottom: auto;
    top: -50px;
}

@media (min-width: 689.99px) and (max-width: 1024px) {

    .hide-for-tablet {
        display: none;
    }
}

@media (max-width: 689.98px) {
    .hide-for-mobile {
        display: none;
    }

    .black-bubble {
        margin-left: 6px !important;
    }

    .black-bubble .stk-block-column .stk-block-column__content::after {
        height: 12px;
        bottom: -12px;
        margin-left: -5px;
    }

    .black-bubble.reverse .stk-block-column .stk-block-column__content::after {
        top: -12px;
    }
}