header {
    background-color: #f4f4f4;
    color: Black;
    padding: 10px 20px;
}

h1 {
    margin: 0;
    font-size: 24px;
}

nav {
    background-color: #f4f4f4;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
}

nav a {
    color: black;
    text-decoration: none;
    margin: 0px;
}

nav a:hover {
    color : cornflowerblue;
}
footer {
    background-color:  #f4f4f4;
    color:  #f4f4f4;
    text-align: center;
    padding: 10px 0;
    margin-top: 20px;
}
h1{
    text-align : center;
}