任务二.css

body{
      margin: 0;
      border: 0;
      padding: 0;
      background-color: rgb(204, 232, 207);
      font-family: "微软雅黑";
    }
      #header{
        margin-top: -15px;
        background-color: rgb(51, 51, 51);
        width: 100%;
        height: 60px;
        margin-bottom: 30px;
      }
       #header img{
        background-color: rgb(51, 51, 51);
        width: 100px;
        height: 60px;
        margin-left: 30px;
        display: inline-block;  
        float: left;
      }
      #header ul li{
        float: right;
        font: 20px;
        line-height: 60px;
        width: 100px;
      }
      #header ul li a{
        text-decoration: none;
        color: rgb(255, 255, 255);
      }
      #header li a:hover{
        color: rgb(147, 147, 147);
      }
      #all{
      margin:0 auto;
      padding: 0;
      width: 1240px;
      height: auto; 
     
      }
      #acticle, #pic, #last, #form{
        padding:30px 20px;
        margin-bottom: 30px;
        background-color: rgb(255, 255, 255);
        box-shadow: 2px 2px 2px 2px rgb(159, 159, 159);
      }
      #acticle h3 , #acticle span, #last h3, #last span{
        color: rgb(92, 92, 92);
      }
      p{
        line-height: 150%;
        text-indent: 2em;
      }
      #acticle ul li{
        list-style: none;
        line-height: 150%;
      }
      #pic{
        background-color: rgb(255, 255, 255);
      }
      #pic ul li{
        display: block;
        width: 120px;
        height: 130px;
        padding: 10px;
        //text-align: center;
        border: 1px solid gray;
        margin: 10px;
      }
      #pic img{
        width: 120px;
        height: 85px;
      }
      #last table{
        width: 100%;
        border-collapse: collapse;
        border-color: gray;
      }
      #last table thead th{
        background-color: rgb(51, 51, 51);
        color: rgb(255, 255, 255);
        text-align: left;
      }
      .last{
        background-color: rgb(204, 204, 204);
        color: black;
        font-weight: bold;
      }
       #form{
        width: 1180px;

      }
      #content{
        //text-align: center;
        margin-left: 400px;
        line-height: 50px;
      }
      #content p{
         color: rgb(92, 92, 92);
      }
      #submit{
        width: 100%;
        height: 50px;
        background-color: rgb(51, 85, 208);
        color: white;
        font-size: 20px;
        border-radius: 10px;
      }
      #footer{
         background-color: rgb(0, 0, 0);
         width: 100%;
         height: 50px;
         text-align: center;
         color: white;

      }
      #footer p{
        line-height: 50px;
      }
      #report{
        text-indent: 2em;
      }
      #content p{
        text-indent: 8em;
      }