<!DOCTYPE html> <html> <head> <style> div { border: 1px solid black; padding: 3px; margin: 3px; } #grid-container { border: 1px solid black; background-color: mintcream; display: grid; grid-template-columns: 1fr 1fr 1fr; row-gap: 50px; } #grid-container > div { background-color: yellow; } </style> </head> <body> <h1>row-gap 属性</h1> <p>row-gap 属性定义网格行之间的间隙:</p> <div id="grid-container"> <div>1</div> <div>2</div> <div>3</div> <div>4</div> <div>5</div> <div>6</div> <div>7</div> <div>8</div> <div>9</div> <div>10</div> </div> </body> </html>