style.css

h1 {
    text-align: center;
    font-family: Arial, sans-serif;
}
footer {
    text-align: center;
    font-family: Arial, sans-serif;
    font-size: 18px;
    margin-top: 50px;
}

header{
    display: flex;
    justify-content: flex-end;
}

img {
    width: 100px;
    height: auto;
}

main {
  display: flex;
  justify-content: center;
}