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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>56-还原字体和字号</title> <style> body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code 阅读全文
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>54-清空默认边距</title> <style> body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code, 阅读全文
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>54-清空默认边距</title> <style> /* *{ margin: 0; padding: 0; } */ body,div,dl,dt,dd,ul 阅读全文
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>40-CSS精灵图</title> <style> .box{ width: 86px; height: 28px; background-image: url 阅读全文
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>38-背景图片和插入图片区别</title> <style> div{ /*width: 150px;*/ /*height: 170px;*/ width: 阅读全文
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>37-背景缩写</title> <style> div{ /*width: 500px;*/ /*height: 500px;*/ /* background- 阅读全文
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>36-背景定位属性</title> <style> div{ /*width: 500px;*/ height: 500px; } .box1{ /*backg 阅读全文