摘要:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>小广告</title> <style> * { padding: 0; margin: 0; } .ad { width: 200px; height: 200 阅读全文
摘要:
简单的换src是一种; <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <style> div { width: 1000px; height: 358px; /* back 阅读全文