.themes--block {
    margin-top: 20px;
    margin-bottom: 20px;
}
.page-blocks > .themes--block:first-child {
    margin-top: 0;
}
.page-blocks > .themes--block:last-child {
    margin-bottom: 0;
}

.themes--block .block-top {
    margin-bottom: 10px;
}

.block--product > .block-content {
    height: 100%;
}
.block--product > .block-content .button {
    margin-top: auto;
}