html, h1, h2 {
 font-family: 'Roboto', sans-serif;
 font-weight: 300;
}

.container {
  width: 800px;
  margin: 0 auto;
}

.circle {
  margin: 2px;
  width: 50px;
  height: 50px;
  position: absolute;
  display: inline-block;
  box-shadow: 0px 1px 2px #999;
  text-shadow: 0px 1px 2px #999;
  background-image: url(pic1.jpg);
  background-size: cover;
  line-height: 80px;
  vertical-align: bottom;
  text-align: center;
  color: white;
  font-size: 10px;
}

.circle:nth-child(2) {
  background-image: url(pic2.jpg);
}

.circle:nth-child(3) {
  background-image: url(pic3.jpg);
}

div.code {
  box-shadow: 0px 1px 2px #999;
  width: 600px;
  padding: 5px;
  position: relative;
  margin: 0 auto;
  margin-bottom: 40px;
}

div.code .reset {
  float: right;
}

div.code pre {
  padding: 2px;
}

hr {
  border: none;
  border-bottom: 1px solid #D9D9D9;
  margin: 0;
}

button {
  vertical-align: top;
}

.example > span {
  color: #333;
  font-size: 13px;
}

.example {
  position: relative;
  height: 60px;
}

.code pre {
  margin: 0;
  font-size: 11px;
  line-height: 1;
}

.highlight {
  background: rgb(228, 254, 253);
}