.bottline-element { display: inline; }

.bottline-element {
  border-bottom-width: 1px;
  border-bottom-color: #fff;
}

.bottline-solid { border-bottom-style: solid; }

.bottline-dashed { border-bottom-style: dashed; }

.bottline-dotted { border-bottom-style: dotted; }

/* You can remove it*/

body {
  margin: 0px;
  font-family: 'Roboto',sans-serif;
  background-color:#333;
  color:#fff;
}

body p {
  width: 50%;
  margin-top: 20px;
  margin-bottom: 0px;
  margin-left: 25%;
  margin-right: 25%;
  font-size: 14px;
  line-height: 20px;
}

body h2 {
  width: 50%;
  margin-top: 20px;
  margin-bottom: 0px;
  margin-left: 25%;
  margin-right: 25%;
}
h1 { margin-top:150px; text-align:center}

.code { font-family: monospace; }