html, body {
  font-family: 'Roboto', 'Helvetica', sans-serif;
}
.mdl-grid {
  max-width: 1024px;
  margin: auto;
}
.mdl-card {
  min-height: 0;
  padding-bottom: 5px;
}
.mdl-layout__header-row {
  padding: 0;
}
h3 {
  background: url('firebase-logo.png') no-repeat;
  background-size: 40px;
  padding-left: 50px;
}

#url,
#response
{
  font-weight: bold;
}

.card-size {
  width: 600px;
}