body {
    background-color: #3984dd;
}

h1 {
    color: white;
    text-align: center;
}

p {
    font-family: verdana;
    font-size: 20px;
}

  h1 { font-family: Arial; }

      p { color: white;
    text-align: center; font-family: Arial; }

      a { font-family: Sans-serif; }

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