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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8" /> <title>Document</title></head><style> input{ height: 30px; width: 80px; border: 2px sol 阅读全文
摘要：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8" /> <title>雪花下落</title></head><style> .box{ height: 600px; width: 800px; border: 1px solid 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Js计算器</title> <style> *{ margin: 0px; padding: 0px; } .box{ margin: 100px auto; wi 阅读全文
摘要：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>j</title></head><body> <div class="box"> <div class="cute">11111</div> <div class= 阅读全文