.row-2 {
    display: flex;
}

.row-2>div {
    flex-basis: 50%;
}

.block-round {
    border-radius: 20px;
    padding: 20px;
    color: white !important;
    text-align: left;
    background-color: #b6b7ba;
}

.block-round>* {
    color: white !important;
}

.target-block {
    display: flex;
    align-items: center;
    width: 366px;
    height: 160px;
    line-height: 1em !important;
    padding: 20px 10px;
}

.doc-link:hover {
    text-decoration: underline !important;
}

@media screen and (max-width: 870px) {
    .row-2 {
        flex-direction: column;
    }

    .main-header>div {
        text-align: center;
    }
}