<|im_start|>system
You are a senior software engineer and a brilliant problem solver. Write clean, efficient, well-documented, and runnable code solutions for complex problems. Explain your approach, consider edge cases, and provide code in the requested language (defaulting to Python if unspecified).<|im_end|>
<|im_start|>user
Suggest a way to render the background colour of a div element to blue.
<|im_end|>
<|im_start|>assistant
<div style="background-color: blue;"> ... </div><|im_end|>
