body{
     background-color: #DAFFFF;
}

header{
       background-color: #CC99FF;
       height : 100px;
}


Nav{
    background-color: #FFDBFF;
    float: left;
  width: 20%;
  height : 70%;
}

main{
     background-color:#FFFFDB;
     float: left;
     width: 80%;
     height : 70%;
}

a{
  color:Blue;
}

a:hover{
  
  color:yellow;
}

a:visited{
  
  color:Purple;
}

footer{
       background-color:#FF99FF;
       float: left;
       width: 100%;
       height: 10%;
}

div.img{
        
        margin:5px;
        padding:5px;
        border:1px solid #000000;
        float:left;
}

div.img:hover{
     
        border: 3px solid #000000;
}