body{
    margin: 0;
    font-family: helvetica, arial, sans-serif;
    line-height: 1.417;
}
.header h1{
  line-height:70px;
  font-size: 32px;
  border-bottom: 2px solid grey;
  text-align: center;
  margin: 0;
  font-weight: normal;
}

#app{
  padding: 10px 20px;
}

.example{
  padding:20px 0;
  border-bottom: 1px solid #eee;
}
