.about__tabs {
    display: flex;
    margin-bottom: 50px;
    padding-top: 30px;
    border-top: 1px solid #DEDEDE;
    margin-top: 30px;
    overflow: auto;
}

.about__tab {
    font-size: 18px;
    line-height: 21px;
    color: #636B83;
    margin-right: 40px;
    cursor: pointer;
    position: relative;
    padding-bottom: 8px;
    transition: all 0.3s;
    white-space: nowrap;
}

.about__tab:last-child {
    margin-right: 0;
}

.about__tab::before {
    content: '';
    width: 0;
    height: 1px;
    background-color: #00305C;
    position: absolute;
    bottom: 0;
    transition: all 0.6s;
    left: 50%;
    right: 50%;
    opacity: 0;
}

.about__tab:hover {
    color: #00305C;
}

.about__tab:hover::before {
    width: 100%;
    left: 0;
    right: 0;
    opacity: 1;
}

.about__tab--active {
    color: #00305C;
}

.about__tab--active::before {
    content: '';
    width: 100%;
    height: 1px;
    background-color: #00305C;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    opacity: 1;
}


@media (max-width: 575px) {
    .about__tabs {
        margin-bottom: 30px;
        padding-top: 20px;
        margin-top: 20px;
    }

    .about__tab {
        font-size: 14px;
        margin-right: 20px;
        padding-bottom: 4px;
    }
}