@import url(https://fonts.googleapis.com/css?family=Roboto+Condensed:400);
body {
  padding: 0;
  margin: 0;
  border: 0;
  font-family: 'Roboto';
}

#container {
  position: relative;
  height: 100vh;
}

#box {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  max-height: 500px;
  padding: 20px;
}

.clm {
  display: inline-block;
  padding: 20px;
  background-color: #fafafa;
  font-weight: bold;
}
.clm span {
  font-weight: normal;
}

@media (max-width: 768px) {
  .br {
    display: block;
    text-align: center;
  }
}