body { 
  text-align: center; 
  padding: 150px; 
}

h1 { 
  font-size: 50px; 
}

body { 
  font: 20px Helvetica, sans-serif; 
  color: #333; 
}

article { 
  display: block; 
  text-align: left; 
  width: 650px; 
  margin: 0 auto; 
}

a { 
  color: lightcoral; 
  text-decoration: none; 
}

a:hover { 
  color: lightsalmon; 
  text-decoration: none; 
}

siteName { 
  color: lightcoral; 
  text-decoration: none;
}
img {
  width: 100%;

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

#footer {
  position: fixed;
  bottom: 10px;
  width: 100%;
}
#center {
  text-align: center;
}