Source code
Revision control
Copy as Markdown
Other Tools
<!DOCTYPE HTML>
<style>
.blackAtTop {
width: 100px;
height: 90px;
border-top: 10px solid black;
}
.blue {
width: 100px;
height: 100px;
background: blue;
margin-left: 10px;
}
.white {
width: 90px;
height: 90px;
background: white;
}
</style>
<div class="blackAtTop"><div class="blue"><div class="white"></div></div></div>