.about__cert {
    align-items: center;
    display: flex;
    flex-flow: row wrap;
    gap: 6px 20px;
    justify-content: flex-start;
    list-style: none;
    margin: 8px 0 0;
    padding: 0;
}

@media (min-width: 681px) {
    .about__cert {
        gap: 6px 30px;
        margin: 0;
    }
}

.about__cert > li {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
    margin: 0;
    padding: 0;
}

@media (min-width: 681px) {
    .about__cert > li {
        font-size: 24px;
    }
}

.about__imageList {
    gap: 20px 12px;
}

@media (min-width: 681px) {
    .about__imageList {
        gap: 20px;
        margin-top: 30px;
    }
}

.about__imageListItem {
    flex: 0 0 calc(25% - 9px);
    position: relative;
}

@media (min-width: 681px) {
    .about__imageListItem {
        flex: 0 0 calc(25% - 15px);
    }
}

.about__imageListItem a {
    display: block;
    position: relative;
    transition: opacity 0.35s cubic-bezier(0.645, 0.045, 0.355, 1);
}

.about__imageListItem a:before {
    background-image: url(../img/quality/icon-scale.svg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    bottom: 2vw;
    content: "";
    display: block;
    height: 6vw;
    position: absolute;
    right: 2vw;
    width: 6vw;
}

@media (min-width: 681px) {
    .about__imageListItem a:before {
        bottom: 4px;
        height: 36px;
        right: 4px;
        width: 36px;
    }
}

.about__imageListItem a:focus {
    opacity: 0.65;
}

@media (hover: hover) and (pointer: fine) {
    .about__imageListItem a:hover {
        opacity: 0.65;
    }
}