.utterances {
    position: relative;
    box-sizing: border-box;
    width: 100%;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
}

.utterances-frame {
    color-scheme: light;
    position: absolute;
    left: 0;
    right: 0;
    width: 1px;
    min-width: 100%;
    max-width: 100%;
    height: 100%;
    border: 0;
}