body { 
  margin: 10ex 20%;
  font-family: "Arial", sans-serif;
}
h1 { 
  text-align: center;
  background-color: #369;
  color: white;
  margin-top: 5ex;
  margin-bottom: 2ex;
}
p { 
  text-align: center;
  margin: 1ex 1em; 
}

.photo {
  text-align: center;
  margin: 3ex 0;
}

#footer { 
  text-align: center;
  color: #369;
  background-color: #ccc;
  padding-top: 3px;
  margin: 3ex 0 0.5ex 0;
}
#credit {
  text-align: center;
  font-size: x-small;
  font-style: oblique;
  margin: 0;
}
.w3icon {  width: 81px; height: 31px; border: 0; }