<!DOCTYPE> | |
<html> | |
<head> | |
<style> | |
#canvas { | |
width: 200px; | |
height: 200px; | |
background-color: red; | |
} | |
.blue { | |
width: 50px; | |
height: 50px; | |
background-color: rgba(0, 0, 255, 0.5); | |
top: -50px; | |
position: relative; | |
} | |
</style> | |
</head> | |
<body> | |
<div id="canvas"></div> | |
<div class="blue"></div> | |
</body> | |
</html> |