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<!doctype html><style>
* {
border: 1px solid black;
font-size: 20px;
}
body {
display: grid;
grid-template-rows: repeat(10, min-content) 1fr;
}
.foo {
grid-area: 4 / 1 / 8 / 2;
}
.bar {
grid-area: 9 / 1 / 10 / 2;
}
</style><body><div class="foo">foo</div><div class="bar">bar</div>