Untitled

dabblet.css

.triangle:before,
.triangle:after {
  content: "";
  position: absolute;
  bottom: -15px; /* value = - border-top-width - border-bottom-width */
  left: 30px;
  border-width: 15px 15px 0; /* vary these values to change the angle of the vertex */
  border-style: solid;
  border-color: #aaa transparent;
}

.triangle:before {
  bottom: -14px; /* -1px of first element for border */
  border-color: #fff transparent;
}

dabblet.html

<p>Triangle</p>

dabblet.js

// alert('Hello world!');

settings.json

{"view":"split","fontsize":"100","seethrough":"","prefixfree":"1","page":"html"}