Pondmaster ProLine HY-Drive 1600 GPH Pond & Waterfall Pump (MPN 02663)

The given code block contains CSS code for setting the style of an HTML element with the ID "gold" in responsive web design, as well as a class called "clear". It sets the float, width, height, and text alignment properties based on the maximum width of the viewport. The CSS code ensures that the element is displayed properly on different screen sizes. Meanwhile, the provided HTML code describes the features and benefits of ProLine by Pondmaster Hy-Drive Pumps. These pumps are specially designed for larger pond installations and combine magnetic and direct drive technologies to provide efficient and quiet operation. The pumps have a durable polypropylene enclosure with a built-in handle and debris screen. They can be positioned vertically or horizontally. Notably, they have a powerful and energy-efficient hybrid motor, a high-efficiency vortex impeller, and operate without oil, making them safe for fish. Additionally, the pumps are equipped with a carry handle, a clog-resistant filter screen, and a grounded power cord with a length of 20 feet.