摘要:
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <style> body{ /*取消浏览器外间距*/ margin: 0; } .c1{ width: 80%; height: 700 阅读全文
摘要:
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <style> body{ /*取消浏览器外间距*/ margin: 0; } .c1{ width:60%; height: 200p 阅读全文
摘要:
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <style> .c1{ width: 200px; height: 200px; border: 10px solid red; /* 阅读全文