body{
    background-color:black;
    color:green;
    text-align:center;
    background-image:url("background3.jpg");
    background-size:cover;
    background-attachment: scroll;
    background-repeat:no-repeat;
   }
 
   a:link{color:blue;}
   a:visited{color:red;}
   a:hover{color:yellow;background-color:green;}
   a:active{color:white;background-color:green;}

   .content{
    font-size: 10px | 10% | 1em
    font-family: "Times New Roman"
    } 
   
    footer{
        font-size: 9px|9%|1em;
        background-color:red
     }

 .pic{
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 5px;
    width: 150px;
              }