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<!DOCTYPE html>
<style>
.surrounding-block {
width: 100px;
height: 100px;
border: solid;
}
</style>
<div class="surrounding-block"></div>
<div style="height: 75px;"></div>
<div
style="width: 200px; height: 200px; outline: 1px solid; border: 2px dashed blue; box-sizing: border-box;">
</div>
<div class="surrounding-block"></div>