*{
    margin: 20;
    padding: 20;
    box-sizing: border-box;
}
html{
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
h1{
    text-align: center;
}
.navbar{
    display: flex;
    justify-content: center;
    align-items: center ;
    padding: 20px;
    width: 100%;
}
nav{
    flex: 1;
    text-align: center;
}
nav ul{
    display: inline-block;
    list-style-type: none;
}
nav ul li{
    display: inline;
    margin-right: 20px;
}
a{
    text-decoration: none;
    color:black;
}
.shrek{
    display: block;
    margin-left: auto;
    margin-right: auto;
}





