.block-content {
    display: block;
    display: flex;
    flex-wrap: wrap;
}
.block-content-wrapper {
    min-height: 940px;
}

@media screen and (max-height: 1000px) {
    .block-content-wrapper {
        min-height: 600px;
    }

    .demo-wrapper {
        min-height: 734px;
    }
}

@media screen and (max-height: 830px) {
    .block-content-wrapper {
        min-height: 500px;
    }

    .demo-wrapper {
        min-height: 602px;
    }
}