JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
<div class="triangle">
         
</div>

<i class="glyphicon glyphicon-exclamation-sign i1"></i> <i class="glyphicon glyphicon-play i2"></i>

CSS

.triangle {
  position: absolute;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 85px 85px 0 0;
  border-color: blue transparent transparent transparent;
}

.i1 {
  position: absolute;
  bottom: 50px;
  left: 20px;
}

.i2 {
  position: relative;
  margin-top: 10px;
  bottom: 50px;
  left: 20px;
}