a {
    background-color: lightblue;
    color:rgb(71, 69, 69);
    text-decoration: none;
    padding: 10px;
    margin: 10px
}
a:hover {
    background-color: darkgray;
    color: white;
}
nav{
    display: flex;
    justify-content: center;
}
img{
    width: 600px;
}
h1{
    font-size: 1em;
}
.background {
    background-color: yellow;
}