body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}
.responsive {
  max-width: 100%;
  height: auto;
}

h1 {
    font-size: 36px;
}

p {
    font-size:   
 16px;
}