EduCoder_web training assignment--CSS style rules

Due to time constraints, I will only write the fourth question!

2020-12-31 The missing levels have been completed! ! ! ! ! !

first round

B D C A B

Second level

 <!-- ********* Begin ********* -->
        <h1 style="font-family:楷体;text-align:center;line-height:2;">静夜思</h1>
        <h2 style="font-family:楷体;text-align:center;">窗前明月光</h2>
         <h2 style="font-family:楷体;text-align:center;">疑似地上霜</h2>
         <h2 style="font-family:楷体;text-align:center;">举头望明月</h2>
         <h2 style="font-family:楷体;text-align:center;">低头思故乡</h2>
    <!-- ********* End ********* -->

Third pass

 /* ********** BEGIN ********** */   
    body{
    
    
     background-image:url(https://www.educoder.net/api/attachments/1427381);
      background-size:cover;

  }
    /* ********** END ********** */   

Fourth level

In this question, the link in the question is different from the link in the answer. Subject to the answer, otherwise it won’t pass

   <!-- ********** BEGIN ********** -->
      <link href="https://www.educoder.net/api/attachments/1433016"
      type="text/css"  rel="stylesheet"></link>
     <!-- ********** END ********** -->

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