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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <style> .head{ width: 100%; border:1px solid red; } .head .head1{ wi 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <style> .c1{ width: 200px; height: 200px; float: left; } .c2{ width: 阅读全文
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知识点1:1.当设置float属性时,它上一个有float属性会紧跟,反之(无float属性)会另起一行。<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <style> .c1{ wi 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <style> .c1{ width: 200px; height: 200px; /*none隐藏属性 block块标签 inline 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <style> ul{ /*disc实心圆 square实心方框 circle空心圆 lower-roman罗马数字 none取消*/ 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <style> .c1{ width: 300px; #宽 height: 300px; #高 /*border-width: 1px; 阅读全文