body {
  background: #bbd4cf;
}
<head> <link rel="stylesheet" href="Lemonade.css">
p {
  color: black;
  text-align: center;
  font-size: 20px;


}
h1 {
  font-weight: bold;  
  text-align: center;
  font-size: 36px;
  color: #6f998f;
}
h2 {
  font-weight: bold;
  text-align: center;
  font-size: 32px;
  color: #b298d0;
}
  h4 {
    font-weight: bold;
    text-align: center;
    font-size: 24px;
    color: #6996aa;
    }

img {
  display: block;
  margin: auto;
  width: 50%;
}
img {
  border: 10px solid #6b9ec0;
  border-radius: 20px;
  padding: 5px;
  width: 150px;
}