body {
	font-family: Arial, Sans-serif;
	font-size: 12pt;
	line-height: 1.4;
  width: 90%;
  max-width: 800px;
  margin: auto;
}

h1,h2,h3,h4,h5,h6 {
	font-weight: normal;
	margin-top: 2em;
	color: #077bca;
}

section:not(:first-child) {
	border-top: 1px dashed #077bca;
}

code {
	color: #077bca;
}

#fixed-size-grid-items aside {
	color: #077bca;
  width: 170px;
  margin: 10px;
  font-size: 0.8rem;
}

#fixed-size-grid-items li{
  list-style-type: none;
  display: inline-block;
  vertical-align: top;
}

#stretchable-grid-items li {
  list-style-type: none;
  display: inline-block;
  vertical-align: top;
  width: 100%;
}

#stretchable-grid-items aside {
  color: #077bca;
  font-size: 0.8rem;
  margin: 10%;
}

#stretchable-grid-items ul {
  margin-left: -10px;
  margin-right: -10px;
  margin-top: 1rem;
  margin-bottom: 1rem;
  padding: 0px;
}

#fixed-size-grid-items ul {
  padding-left: 0px;
}

@media screen and (min-width: 640px) {
  body {
     background-color: #eaf6ff;
  }
  h1 {
    font-size: 2.5rem;
  }
  #stretchable-grid-items li{
    width: 25%;
  }
}

@media screen and (max-width: 500px) {
  h1 {
    font-size: 1.5rem;
  }
}

@media screen and (min-width: 480px) and (max-width: 640px) {
  #stretchable-grid-items li {
    width: 50%;
  }
}