table { font-size: 20px; border: 2px solid #000; /* 外边框2px */ border-collapse: collapse; text-align: center; } th, td { border: 1px solid #000; /* 内边框1px */ padding: 8px; /* 内容与边框间距8px */ } The GSPACE Mars series Extension Handlebar. Product List Product Specification Number Extension Handlebar 3 cm Height Increase 1 pcs The GSPACE Mars series Height Extension Kit. Product List Product Specification Number Height Extension Kit 5 cm Height Increase 1 pcs Screws M6*25 8 pcs INSTRUCTIONS FOR USE: The Mars series electric scooters currently support a maximum height increase of 8 cm. APPLICABLE RANGE: Designed for GSPACE Mars series (Mars GTR, GT, Eco). How to Use the Mars Handlebar Height Extension Kit? table { font-size: 20px; border: 2px solid #000; /* 外边框 */ border-collapse: collapse; text-align: center; } th, td { border: 1px solid #000; /* 内边框 */ padding: 8px; /* 内容与边框间距 */ }