Cursor: Pointe... | .bab9dks7 { Vertical-align:top;

Then, he felt it. A presence from the physical world. A massive, invisible shadow began to glide across the screen—the .

bAb9Dks7 stepped forward. "I am here," he whispered. "And I am interactive." .bAb9Dks7 { vertical-align:top; cursor: pointe...

In the sprawling, neon-lit metropolis of the , every element has a job. Most are mundane: a holding a sidebar, a acting as a spacer. But bAb9Dks7 was different. He was a Class , a set of instructions tattooed onto the skin of a very important button. bAb9Dks7 carried two sacred commands: Then, he felt it

Instantly, the standard arrow of the cursor transformed. It tucked away its sharp point and grew four fingers and a thumb. It became a , the universal sign of "Click Me." bAb9Dks7 stepped forward

For hours, bAb9Dks7 sat in the dark of the cache, waiting. Suddenly, the signal flared like a sunrise. The browser engine began to render. "Positions!" the CSS Engine roared.

: He was a perfectionist. No matter how much the layout shifted or how many heavy images were loaded next to him, he kept his chin up, aligned perfectly with the ceiling of his container.

As the shadow drifted closer, the browser checked its maps. Is there a Class here? it asked.