h1 {
  background-color: green;
}

div.outer { 
  border-style: solid;
  border-color: green;
  border-radius: 8px;
}

div.inner {
  background-color: #E8E8E8;
  font-size: 20px;
}

p.a1 {
  font-family: "Times New Roman", Times, serif;
  font-size: 25px;
}

p.a2 {
  font-family: "Times New Roman", Times, serif;
  font-size: 20px;
}


p.b {
  font-family: Arial, Helvetica, sans-serif;
}