body {
font-family: Arial, sans-serif;
background-color: rgb(11, 141, 141);
}

header{
    background-color: blue;
    color: antiquewhite;
    padding: 20px;
    text-align: center;
}
nav a{
    display: inline-block;
    color: white;
    text-decoration: none;
    padding: 15px 20px;
}
section {
    max-width: 800px;
    margin: 30px auto;
    padding: 25px;
    background-color: white ;
}

img{
width: 250px;
border: 3px solid 
}