body{
    font-family: sans-serif;
    background-color: gray;
    cursor: default;
}

a{
    text-decoration: none;
    color: black;
    background-color: lightgray;
    cursor: cell;
}

a:hover{
    color: blue;
    background-color: gray;
}

div{
    border: 1px solid lightgray;
    border-radius: 5px;
    background-color: white;
}

img{
    width: 500px;
    height: 500px;
    border: 5px solid black;
}