摘要: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document< 阅读全文
posted @ 2021-12-26 18:23 伊万 阅读(42) 评论(0) 推荐(0)
摘要: fixed属性使该元素定位不受父元素定位的影响。 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>position</title> <style> *{ padding: 0; margin: 0; } .p 阅读全文
posted @ 2021-12-26 14:06 伊万 阅读(41) 评论(0) 推荐(0)